diff --git a/src/Service.php b/src/Service.php
index ec7b70c..9f9d26d 100644
--- a/src/Service.php
+++ b/src/Service.php
@@ -71,6 +71,7 @@ private static function locateOperatorConfigClass($configElement): string
     {
         $namespaces = [
             '\\OutputDataConfigToolkitBundle\\ConfigElement\\Operator\\',
+            '\\App\\OutputDataConfigToolkit\\ConfigElement\\Operator\\',
             '\\AppBundle\\OutputDataConfigToolkit\\ConfigElement\\Operator\\'
         ];