diff --git a/src/Module/Helper/Permission.php b/src/Module/Helper/Permission.php
index 392861a..822b39c 100644
--- a/src/Module/Helper/Permission.php
+++ b/src/Module/Helper/Permission.php
@@ -68,7 +68,7 @@ public function checkPermission($gperm_name, $gperm_itemid, $trueifadmin = true)
         $gperm_itemid = (int) $gperm_itemid;
         $gperm_groupid = $this->getUserGroups();
 
-        if ($this->permissionHandle) {
+        if ($this->permissionHandler) {
             return $this->permissionHandler->checkRight(
                 $gperm_name,
                 $gperm_itemid,