diff --git a/addons/base_calendar/crm_meeting_data.xml b/addons/base_calendar/crm_meeting_data.xml
index 392179c0a4d..af32160d4d3 100644
--- a/addons/base_calendar/crm_meeting_data.xml
+++ b/addons/base_calendar/crm_meeting_data.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <openerp>
-    <data>
+    <data noupdate="1">
 
         <!--    CASE CATEGORY(categ_id)        -->