diff --git a/typo3/sysext/beuser/Classes/Controller/PermissionAjaxController.php b/typo3/sysext/beuser/Classes/Controller/PermissionAjaxController.php
index bac3c7a3c2590a6864970c10f02c24f01ddab8a9..804c9bb8f7272a7f06756feab8a99a397ee6374c 100644
--- a/typo3/sysext/beuser/Classes/Controller/PermissionAjaxController.php
+++ b/typo3/sysext/beuser/Classes/Controller/PermissionAjaxController.php
@@ -81,94 +81,95 @@ class PermissionAjaxController
         $view->setPartialRootPaths(['default' => ExtensionManagementUtility::extPath('beuser') . 'Resources/Private/Partials']);
         $view->assign('pageId', $this->conf['page']);
 
-        $content = '';
-        // Basic test for required value
-        if ($this->conf['page'] > 0) {
-            // Init TCE for execution of update
-            /** @var $tce DataHandler */
-            $tce = GeneralUtility::makeInstance(DataHandler::class);
-            $tce->stripslashes_values = false;
-            // Determine the scripts to execute
-            switch ($this->conf['action']) {
-                case 'show_change_owner_selector':
-                    $content = $this->renderUserSelector($this->conf['page'], $this->conf['ownerUid'], $this->conf['username']);
-                    break;
-                case 'change_owner':
-                    $userId = $this->conf['new_owner_uid'];
-                    if (is_int($userId)) {
-                        // Prepare data to change
-                        $data = [];
-                        $data['pages'][$this->conf['page']]['perms_userid'] = $userId;
-                        // Execute TCE Update
-                        $tce->start($data, []);
-                        $tce->process_datamap();
+        $response = $response->withHeader('Content-Type', 'text/html; charset=utf-8');
 
-                        $view->setTemplatePathAndFilename($extPath . 'Resources/Private/Templates/PermissionAjax/ChangeOwner.html');
-                        $view->assign('userId', $userId);
-                        $usernameArray = BackendUtility::getUserNames('username', ' AND uid = ' . $userId);
-                        $view->assign('username', $usernameArray[$userId]['username']);
-                        $content = $view->render();
-                    } else {
-                        $response->getBody()->write('An error occurred: No page owner uid specified');
-                        $response = $response->withStatus(500);
-                    }
-                    break;
-                case 'show_change_group_selector':
-                    $content = $this->renderGroupSelector($this->conf['page'], $this->conf['groupUid'], $this->conf['groupname']);
-                    break;
-                case 'change_group':
-                    $groupId = $this->conf['new_group_uid'];
-                    if (is_int($groupId)) {
-                        // Prepare data to change
-                        $data = [];
-                        $data['pages'][$this->conf['page']]['perms_groupid'] = $groupId;
-                        // Execute TCE Update
-                        $tce->start($data, []);
-                        $tce->process_datamap();
+        // Basic test for required value
+        if ($this->conf['page'] <= 0) {
+            $response->getBody()->write('This script cannot be called directly');
+            $response = $response->withStatus(500);
+            return $response;
+        }
 
-                        $view->setTemplatePathAndFilename($extPath . 'Resources/Private/Templates/PermissionAjax/ChangeGroup.html');
-                        $view->assign('groupId', $groupId);
-                        $groupnameArray = BackendUtility::getGroupNames('title', ' AND uid = ' . $groupId);
-                        $view->assign('groupname', $groupnameArray[$groupId]['title']);
-                        $content = $view->render();
-                    } else {
-                        $response->getBody()->write('An error occurred: No page group uid specified');
-                        $response = $response->withStatus(500);
-                    }
-                    break;
-                case 'toggle_edit_lock':
+        $content = '';
+        // Init TCE for execution of update
+        /** @var $tce DataHandler */
+        $tce = GeneralUtility::makeInstance(DataHandler::class);
+        $tce->stripslashes_values = false;// Determine the scripts to execute
+        switch ($this->conf['action']) {
+            case 'show_change_owner_selector':
+                $content = $this->renderUserSelector($this->conf['page'], $this->conf['ownerUid'], $this->conf['username']);
+                break;
+            case 'change_owner':
+                $userId = $this->conf['new_owner_uid'];
+                if (is_int($userId)) {
                     // Prepare data to change
                     $data = [];
-                    $data['pages'][$this->conf['page']]['editlock'] = $this->conf['editLockState'] === 1 ? 0 : 1;
+                    $data['pages'][$this->conf['page']]['perms_userid'] = $userId;
                     // Execute TCE Update
                     $tce->start($data, []);
                     $tce->process_datamap();
-                    $content = $this->renderToggleEditLock($this->conf['page'], $data['pages'][$this->conf['page']]['editlock']);
-                    break;
-                default:
-                    if ($this->conf['mode'] === 'delete') {
-                        $this->conf['permissions'] = (int)($this->conf['permissions'] - $this->conf['bits']);
-                    } else {
-                        $this->conf['permissions'] = (int)($this->conf['permissions'] + $this->conf['bits']);
-                    }
+
+                    $view->setTemplatePathAndFilename($extPath . 'Resources/Private/Templates/PermissionAjax/ChangeOwner.html');
+                    $view->assign('userId', $userId);
+                    $usernameArray = BackendUtility::getUserNames('username', ' AND uid = ' . $userId);
+                    $view->assign('username', $usernameArray[$userId]['username']);
+                    $content = $view->render();
+                } else {
+                    $response->getBody()->write('An error occurred: No page owner uid specified');
+                    $response = $response->withStatus(500);
+                }
+                break;
+            case 'show_change_group_selector':
+                $content = $this->renderGroupSelector($this->conf['page'], $this->conf['groupUid'], $this->conf['groupname']);
+                break;
+            case 'change_group':
+                $groupId = $this->conf['new_group_uid'];
+                if (is_int($groupId)) {
                     // Prepare data to change
                     $data = [];
-                    $data['pages'][$this->conf['page']]['perms_' . $this->conf['who']] = $this->conf['permissions'];
+                    $data['pages'][$this->conf['page']]['perms_groupid'] = $groupId;
                     // Execute TCE Update
                     $tce->start($data, []);
                     $tce->process_datamap();
 
-                    $view->setTemplatePathAndFilename($extPath . 'Resources/Private/Templates/PermissionAjax/ChangePermission.html');
-                    $view->assign('permission', $this->conf['permissions']);
-                    $view->assign('scope', $this->conf['who']);
+                    $view->setTemplatePathAndFilename($extPath . 'Resources/Private/Templates/PermissionAjax/ChangeGroup.html');
+                    $view->assign('groupId', $groupId);
+                    $groupnameArray = BackendUtility::getGroupNames('title', ' AND uid = ' . $groupId);
+                    $view->assign('groupname', $groupnameArray[$groupId]['title']);
                     $content = $view->render();
-            }
-        } else {
-            $response->getBody()->write('This script cannot be called directly');
-            $response = $response->withStatus(500);
+                } else {
+                    $response->getBody()->write('An error occurred: No page group uid specified');
+                    $response = $response->withStatus(500);
+                }
+                break;
+            case 'toggle_edit_lock':
+                // Prepare data to change
+                $data = [];
+                $data['pages'][$this->conf['page']]['editlock'] = $this->conf['editLockState'] === 1 ? 0 : 1;
+                // Execute TCE Update
+                $tce->start($data, []);
+                $tce->process_datamap();
+                $content = $this->renderToggleEditLock($this->conf['page'], $data['pages'][$this->conf['page']]['editlock']);
+                break;
+            default:
+                if ($this->conf['mode'] === 'delete') {
+                    $this->conf['permissions'] = (int)($this->conf['permissions'] - $this->conf['bits']);
+                } else {
+                    $this->conf['permissions'] = (int)($this->conf['permissions'] + $this->conf['bits']);
+                }
+                // Prepare data to change
+                $data = [];
+                $data['pages'][$this->conf['page']]['perms_' . $this->conf['who']] = $this->conf['permissions'];
+                // Execute TCE Update
+                $tce->start($data, []);
+                $tce->process_datamap();
+
+                $view->setTemplatePathAndFilename($extPath . 'Resources/Private/Templates/PermissionAjax/ChangePermission.html');
+                $view->assign('permission', $this->conf['permissions']);
+                $view->assign('scope', $this->conf['who']);
+                $content = $view->render();
         }
         $response->getBody()->write($content);
-        $response = $response->withHeader('Content-Type', 'text/html; charset=utf-8');
         return $response;
     }
 
@@ -197,8 +198,16 @@ class PermissionAjaxController
         $elementId = 'o_' . $page;
         $options = '<option value="0"></option>' . $options;
         $selector = '<select name="new_page_owner" id="new_page_owner">' . $options . '</select>';
-        $saveButton = '<a class="saveowner btn btn-default" data-page="' . $page . '" data-owner="' . $ownerUid . '" data-element-id="' . $elementId . '" title="Change owner">' . $this->iconFactory->getIcon('actions-document-save', Icon::SIZE_SMALL)->render() . '</a>';
-        $cancelButton = '<a class="restoreowner btn btn-default" data-page="' . $page . '"  data-owner="' . $ownerUid . '" data-element-id="' . $elementId . '"' . (!empty($username) ? ' data-username="' . htmlspecialchars($username) . '"' : '') . ' title="Cancel">' . $this->iconFactory->getIcon('actions-document-close', Icon::SIZE_SMALL)->render() . '</a>';
+        $saveButton = '<a class="saveowner btn btn-default" data-page="' . $page . '" data-owner="' . $ownerUid
+                      . '" data-element-id="' . $elementId . '" title="Change owner">'
+                      . $this->iconFactory->getIcon('actions-document-save', Icon::SIZE_SMALL)->render()
+                      . '</a>';
+        $cancelButton = '<a class="restoreowner btn btn-default" data-page="' . $page . '"  data-owner="' . $ownerUid
+                        . '" data-element-id="' . $elementId . '"'
+                        . (!empty($username) ? ' data-username="' . htmlspecialchars($username) . '"' : '')
+                        . ' title="Cancel">'
+                        . $this->iconFactory->getIcon('actions-document-close', Icon::SIZE_SMALL)->render()
+                        . '</a>';
         return '<span id="' . $elementId . '">'
             . $selector
             . '<span class="btn-group">'
@@ -246,8 +255,16 @@ class PermissionAjaxController
         $elementId = 'g_' . $page;
         $options = '<option value="0"></option>' . $options;
         $selector = '<select name="new_page_group" id="new_page_group">' . $options . '</select>';
-        $saveButton = '<a class="savegroup btn btn-default" data-page="' . $page . '" data-group="' . $groupUid . '" data-element-id="' . $elementId . '" title="Change group">' . $this->iconFactory->getIcon('actions-document-save', Icon::SIZE_SMALL)->render() . '</a>';
-        $cancelButton = '<a class="restoregroup btn btn-default" data-page="' . $page . '" data-group="' . $groupUid . '" data-element-id="' . $elementId . '"' . (!empty($groupname) ? ' data-groupname="' . htmlspecialchars($groupname) . '"' : '') . ' title="Cancel">' . $this->iconFactory->getIcon('actions-document-close', Icon::SIZE_SMALL)->render() . '</a>';
+        $saveButton = '<a class="savegroup btn btn-default" data-page="' . $page . '" data-group-id="' . $groupUid
+                      . '" data-element-id="' . $elementId . '" title="Change group">'
+                      . $this->iconFactory->getIcon('actions-document-save', Icon::SIZE_SMALL)->render()
+                      . '</a>';
+        $cancelButton = '<a class="restoregroup btn btn-default" data-page="' . $page . '" data-group-id="' . $groupUid
+                        . '" data-element-id="' . $elementId . '"'
+                        . (!empty($groupname) ? ' data-groupname="' . htmlspecialchars($groupname) . '"' : '')
+                        . ' title="Cancel">'
+                        . $this->iconFactory->getIcon('actions-document-close', Icon::SIZE_SMALL)->render()
+                        . '</a>';
         return '<span id="' . $elementId . '">'
             . $selector
             . '<span class="btn-group">'
@@ -302,9 +319,13 @@ class PermissionAjaxController
     {
         $page = (int)$page;
         if ($editLockState === 1) {
-            $ret = '<span id="el_' . $page . '"><a class="editlock btn btn-default" data-page="' . $page . '" data-lockstate="1" title="The page and all content is locked for editing by all non-Admin users.">' . $this->iconFactory->getIcon('actions-lock', Icon::SIZE_SMALL)->render() . '</a></span>';
+            $ret = '<span id="el_' . $page . '"><a class="editlock btn btn-default" data-page="' . $page
+                   . '" data-lockstate="1" title="The page and all content is locked for editing by all non-Admin users.">'
+                   . $this->iconFactory->getIcon('actions-lock', Icon::SIZE_SMALL)->render() . '</a></span>';
         } else {
-            $ret = '<span id="el_' . $page . '"><a class="editlock btn btn-default" data-page="' . $page . '" data-lockstate="0" title="Enable the &raquo;Admin-only&laquo; edit lock for this page">' . $this->iconFactory->getIcon('actions-unlock', Icon::SIZE_SMALL)->render() . '</a></span>';
+            $ret = '<span id="el_' . $page . '"><a class="editlock btn btn-default" data-page="' . $page .
+                   '" data-lockstate="0" title="Enable the &raquo;Admin-only&laquo; edit lock for this page">'
+                   . $this->iconFactory->getIcon('actions-unlock', Icon::SIZE_SMALL)->render() . '</a></span>';
         }
         return $ret;
     }
diff --git a/typo3/sysext/beuser/Resources/Private/Partials/Permission/Groupname.html b/typo3/sysext/beuser/Resources/Private/Partials/Permission/Groupname.html
index 9842cbdd76285edc3ac5a4c32335f20fdb8a65cb..0e190347b21192449658de8508f24f469439fcca 100644
--- a/typo3/sysext/beuser/Resources/Private/Partials/Permission/Groupname.html
+++ b/typo3/sysext/beuser/Resources/Private/Partials/Permission/Groupname.html
@@ -2,8 +2,8 @@
 	<a
 		class="ug_selector changegroup"
 		data-page="{pageId}"
-		data-owner="{groupId}"
-		data-username="{groupname}"
+		data-group-id="{groupId}"
+		data-groupname="{groupname}"
 	>
 		<f:if condition="{groupId} == 0">
 			<f:then>
diff --git a/typo3/sysext/beuser/Resources/Private/Templates/PermissionAjax/ChangeGroup.html b/typo3/sysext/beuser/Resources/Private/Templates/PermissionAjax/ChangeGroup.html
index 6165036c36c5f3b149f6b4ac01a9cfd6ce9366c9..036de1e53199243a8834a50b686825f6e65d4b29 100644
--- a/typo3/sysext/beuser/Resources/Private/Templates/PermissionAjax/ChangeGroup.html
+++ b/typo3/sysext/beuser/Resources/Private/Templates/PermissionAjax/ChangeGroup.html
@@ -1,8 +1 @@
-<f:render
-	partial="Permission/Groupname"
-	arguments="{
-		pageId: '{pageId}',
-		groupId: '{groupId}',
-		groupname: '{groupname}'
-	}"
-/>
+<f:render partial="Permission/Groupname" arguments="{pageId: pageId, groupId: groupId, groupname: groupname}" />
diff --git a/typo3/sysext/beuser/Resources/Private/Templates/PermissionAjax/ChangeOwner.html b/typo3/sysext/beuser/Resources/Private/Templates/PermissionAjax/ChangeOwner.html
index 1a3b6b1517373111b4d12bf2e3bdba1a79306012..9a1c47715552558f72eea66fb02e187ec7db45e7 100644
--- a/typo3/sysext/beuser/Resources/Private/Templates/PermissionAjax/ChangeOwner.html
+++ b/typo3/sysext/beuser/Resources/Private/Templates/PermissionAjax/ChangeOwner.html
@@ -1,8 +1 @@
-<f:render
-	partial="Permission/Ownername"
-	arguments="{
-		pageId: '{pageId}',
-		userId: '{userId}',
-		username: '{username}'
-	}"
-/>
+<f:render partial="Permission/Ownername" arguments="{pageId: pageId, userId: userId, username: username}" />
diff --git a/typo3/sysext/beuser/Resources/Public/JavaScript/Permissions.js b/typo3/sysext/beuser/Resources/Public/JavaScript/Permissions.js
index ad689025b222193a5470c3f73f11512469f8f6e1..cb49991920189170ecd1f016964c9c5ea84130bb 100644
--- a/typo3/sysext/beuser/Resources/Public/JavaScript/Permissions.js
+++ b/typo3/sysext/beuser/Resources/Public/JavaScript/Permissions.js
@@ -164,7 +164,7 @@ define(['jquery'], function($) {
 			data: {
 				'action': 'show_change_owner_selector',
 				'page': page,
-				'ownerUid': $element.data('ownerUid'),
+				'ownerUid': $element.data('owner'),
 				'username': $element.data('username')
 			}
 		}).done(function(data) {
@@ -223,7 +223,7 @@ define(['jquery'], function($) {
 			data: {
 				'action': 'change_group',
 				'page': page,
-				'groupUid': $element.data('group'),
+				'groupUid': $element.data('groupId'),
 				'newGroupUid': $('#new_page_group').val()
 			}
 		}).done(function(data) {
@@ -248,7 +248,7 @@ define(['jquery'], function($) {
 			data: {
 				'action': 'show_change_group_selector',
 				'page': page,
-				'groupUid': $element.data('lockstate'),
+				'groupUid': $element.data('groupId'),
 				'groupname': $element.data('groupname')
 			}
 		}).done(function(data) {
@@ -280,7 +280,7 @@ define(['jquery'], function($) {
 		var aSelector = $('<a/>', {
 			'class': 'ug_selector changegroup',
 			'data-page': page,
-			'data-group': $element.data('group'),
+			'data-group': $element.data('groupId'),
 			'data-groupname': groupnameHtml,
 			'text': groupname
 		});