diff --git a/typo3/sysext/backend/Classes/Controller/PageLayoutController.php b/typo3/sysext/backend/Classes/Controller/PageLayoutController.php
index dcd9087010d5e294d607ec0feef1b59f93f5e5b4..124badb57458295469cc66a4b5aadd190f4f10d1 100644
--- a/typo3/sysext/backend/Classes/Controller/PageLayoutController.php
+++ b/typo3/sysext/backend/Classes/Controller/PageLayoutController.php
@@ -1036,7 +1036,7 @@ class PageLayoutController
             // Add CSH (Context Sensitive Help) icon to tool bar
             $contextSensitiveHelpButton = $this->buttonBar->makeHelpButton()
                 ->setModuleName($this->descrTable)
-                ->setFieldName('columns_' . $this->controller->MOD_SETTINGS['function']);
+                ->setFieldName('columns_' . $this->MOD_SETTINGS['function']);
             $this->buttonBar->addButton($contextSensitiveHelpButton);
         }
         $lang = $this->getLanguageService();