diff --git a/typo3/sysext/backend/Classes/Backend/ToolbarItems/SystemInformationToolbarItem.php b/typo3/sysext/backend/Classes/Backend/ToolbarItems/SystemInformationToolbarItem.php
index 9c385144937aa2a07108c7d20cce20e50cbab87d..8044f46766645986ec70578c8c1ed85a6176da3e 100644
--- a/typo3/sysext/backend/Classes/Backend/ToolbarItems/SystemInformationToolbarItem.php
+++ b/typo3/sysext/backend/Classes/Backend/ToolbarItems/SystemInformationToolbarItem.php
@@ -375,7 +375,7 @@ class SystemInformationToolbarItem implements ToolbarItemInterface
         $request = $this->standaloneView->getRequest();
         $request->setControllerExtensionName('backend');
         $this->standaloneView->assignMultiple(array(
-            'installToolUrl' => BackendUtility::getModuleUrl('system_InstallInstall'),
+            'installToolUrl' => BackendUtility::getModuleUrl('system_extinstall'),
             'messages' => $this->systemMessages,
             'count' => $this->totalCount > $this->maximumCountInBadge ? $this->maximumCountInBadge . '+' : $this->totalCount,
             'severityBadgeClass' => $this->severityBadgeClass,
diff --git a/typo3/sysext/backend/Resources/Private/Templates/ToolbarMenu/SystemInformation.html b/typo3/sysext/backend/Resources/Private/Templates/ToolbarMenu/SystemInformation.html
index 0e05a133b78a861f4ce4a58f6073b76dea593d8b..3e30c45091cceafbdf17bd3e1a064d8c7e67d4ee 100644
--- a/typo3/sysext/backend/Resources/Private/Templates/ToolbarMenu/SystemInformation.html
+++ b/typo3/sysext/backend/Resources/Private/Templates/ToolbarMenu/SystemInformation.html
@@ -1,6 +1,6 @@
 <ul class="dropdown-list" data-count="{count}" data-severityclass="{severityBadgeClass}">
 	<li class="dropdown-header"><f:translate key="systemmessage.header" /></li>
-	<li id="systeminformation_installtool" class="dropdown-intro typo3-module-menu-item submodule mod-system_InstallInstall" data-modulename="system_InstallInstall">
+	<li id="systeminformation_installtool" class="dropdown-intro typo3-module-menu-item submodule mod-system_extinstall" data-modulename="system_extinstall">
 		<f:translate key="systemmessage.intro" arguments="{0: '{installToolUrl}'}" />
 	</li>
 	<li>
@@ -40,4 +40,4 @@
 			<li><span class="text-success"><f:format.nl2br><f:translate key="systemmessage.allgood" /></f:format.nl2br></span></li>
 		</f:else>
 	</f:if>
-</ul>
\ No newline at end of file
+</ul>
diff --git a/typo3/sysext/install/Classes/Report/InstallStatusReport.php b/typo3/sysext/install/Classes/Report/InstallStatusReport.php
index 5faa15029e5f2cb26b6f2f763e6f4051e16048a2..344f54a0ecabd9efbb4c53e5e14186c4b2d3a812 100644
--- a/typo3/sysext/install/Classes/Report/InstallStatusReport.php
+++ b/typo3/sysext/install/Classes/Report/InstallStatusReport.php
@@ -156,7 +156,7 @@ class InstallStatusReport implements \TYPO3\CMS\Reports\StatusProviderInterface
                     // at least one wizard was found
                     $value = $languageService->getLL('status_updateIncomplete');
                     $severity = Status::WARNING;
-                    $url = BackendUtility::getModuleUrl('system_InstallInstall');
+                    $url = BackendUtility::getModuleUrl('system_extinstall');
                     $message = sprintf($languageService->sL('LLL:EXT:lang/locallang_core.xlf:warning.install_update'), '<a href="' . htmlspecialchars($url) . '">', '</a>');
                     break;
                 }
diff --git a/typo3/sysext/install/Classes/Report/SecurityStatusReport.php b/typo3/sysext/install/Classes/Report/SecurityStatusReport.php
index 4a39f047604d54b855f8f1aa6feb1020d77ecbb5..cca4fc6bee25739036be5f4c987f841cd8f91dc4 100644
--- a/typo3/sysext/install/Classes/Report/SecurityStatusReport.php
+++ b/typo3/sysext/install/Classes/Report/SecurityStatusReport.php
@@ -61,7 +61,7 @@ class SecurityStatusReport implements \TYPO3\CMS\Reports\StatusProviderInterface
         if (!$validPassword) {
             $value = $GLOBALS['LANG']->getLL('status_insecure');
             $severity = Status::ERROR;
-            $changeInstallToolPasswordUrl = BackendUtility::getModuleUrl('system_InstallInstall');
+            $changeInstallToolPasswordUrl = BackendUtility::getModuleUrl('system_extinstall');
             $message = sprintf($GLOBALS['LANG']->sL('LLL:EXT:lang/locallang_core.xlf:warning.installtool_default_password'),
                 '<a href="' . htmlspecialchars($changeInstallToolPasswordUrl) . '">', '</a>');
         }