diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 7e18e208173..a5c92d07d86 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -4294,6 +4294,7 @@ abstract class CommonObject
     			return -1;
     		}
 		}
+		else return $reshook;
 	}
 
 	/**