diff --git a/addons/document/document_data.xml b/addons/document/document_data.xml
index 33c6f80763a..511de005b6f 100644
--- a/addons/document/document_data.xml
+++ b/addons/document/document_data.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <openerp>
-<data>
+<data noupdate="1">
 
     <record model="document.directory.content.type" id="pdf">
         <field name="code">.pdf</field>