diff --git a/library/Icinga/Application/Hook.php b/library/Icinga/Application/Hook.php
index b3d12fe8a..dcfd5dd84 100644
--- a/library/Icinga/Application/Hook.php
+++ b/library/Icinga/Application/Hook.php
@@ -113,7 +113,7 @@ class Hook
     {
         $name = self::normalizeHookName($name);
 
-        if (!self::has($name, $key)) {
+        if (!self::has($name)) {
             return null;
         }