diff --git a/bin/osv/orm.py b/bin/osv/orm.py
index beb62f088ae..5b9c854f8a6 100644
--- a/bin/osv/orm.py
+++ b/bin/osv/orm.py
@@ -3237,7 +3237,7 @@ class orm(orm_template):
             # Step 1. Calling unlink of ir_model_data only for the affected IDS.
             referenced_ids = pool_model_data.search(cr, uid, [('res_id','in',list(sub_ids)),('model','=',self._name)], context=context)
             # Step 2. Marching towards the real deletion of referenced records
-            pool_model_data._unlink(cr, uid, self._model,referenced_ids)
+            pool_model_data._unlink(cr, uid, self._name, referenced_ids)
             
             # For the same reason, removing the record relevant to ir_values
             ir_value_ids = pool_ir_values.search(cr, uid, [('res_id','in',list(sub_ids)),('model','=',self._name)])