diff --git a/addons/mail/security/mail_security.xml b/addons/mail/security/mail_security.xml
index 62689248a78..bcc84d7cafd 100644
--- a/addons/mail/security/mail_security.xml
+++ b/addons/mail/security/mail_security.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <openerp>
-    <data>
+    <data noupdate="1">
 
         <!-- RULES -->
         <record id="mail_group_public_and_joined" model="ir.rule">