diff --git a/openerp/addons/base/res/res_config.py b/openerp/addons/base/res/res_config.py
index ff0c3bfe6ad..a2368a9f508 100644
--- a/openerp/addons/base/res/res_config.py
+++ b/openerp/addons/base/res/res_config.py
@@ -21,6 +21,7 @@
 import logging
 from operator import attrgetter
 
+import openerp
 from openerp import pooler
 from openerp.osv import osv, fields
 from openerp.tools import ustr
@@ -358,7 +359,8 @@ class res_config_installer(osv.osv_memory):
             cr, uid,
             modules.search(cr, uid, [('name','in',to_install)]),
             'to install', ['uninstalled'], context=context)
-        cr.commit() #TOFIX: after remove this statement, installation wizard is fail
+        cr.commit()
+        openerp.modules.registry.RegistryManager.signal_registry_change(cr.dbname)
         new_db, self.pool = pooler.restart_pool(cr.dbname, update_module=True)
 
 res_config_installer()