diff --git a/product/ERP5SyncML/XMLSyncUtils.py b/product/ERP5SyncML/XMLSyncUtils.py
index 49785cf7cb2e4e711116be1d7143c0f79eb8366c..9a50e9537a0ac0a9200221c73e637e3d3685c76c 100644
--- a/product/ERP5SyncML/XMLSyncUtils.py
+++ b/product/ERP5SyncML/XMLSyncUtils.py
@@ -1326,7 +1326,7 @@ class XMLSyncUtils(XMLSyncUtilsMixin):
                       xml_list = xml_list,
                       has_status_list = has_status_list,
                       has_response = has_response )
-      return {'has_response':1}
+      return {'has_response':1, 'xml':''}
     else:
       result = self.getSyncMLData(domain=domain,
                              remote_xml=remote_xml,