diff --git a/lib/adminpanelaction.php b/lib/adminpanelaction.php
index 2ac92cb5c6..a7cb9fc722 100644
--- a/lib/adminpanelaction.php
+++ b/lib/adminpanelaction.php
@@ -246,7 +246,7 @@ class AdminPanelAction extends Action
         $this->clientError(_('saveSettings() not implemented.'));
     }
 
-    function canAdmin($name)
+    static function canAdmin($name)
     {
         $isOK = false;