diff --git a/src/Adapter/Adapter.php b/src/Adapter/Adapter.php
index e356ff9a58..6aad6b1832 100644
--- a/src/Adapter/Adapter.php
+++ b/src/Adapter/Adapter.php
@@ -252,6 +252,7 @@ public function getHelpers()
                     break;
             }
         }
+        return $functions;
     }
 
     /**