diff --git a/RemesherPlugin.hh b/RemesherPlugin.hh
index 7c3ebe9b12e53ed395c86e47f503f019fb8a1671..0b4d88f1704e8c68d4cad26e334cea12c25b542d 100644
--- a/RemesherPlugin.hh
+++ b/RemesherPlugin.hh
@@ -75,7 +75,7 @@ signals:
   
   //BaseInterface
   void updateView();
-  void updatedObject(int _id, const UpdateType _type);
+  void updatedObject(int _id, const UpdateType& _type);
 
   void setSlotDescription(QString     _slotName,   QString     _slotDescription,
                           QStringList _parameters, QStringList _descriptions);