diff --git a/openerp/addons/base/ir/ir_ui_menu.py b/openerp/addons/base/ir/ir_ui_menu.py
index db5afcb7585..843c8dd64b0 100644
--- a/openerp/addons/base/ir/ir_ui_menu.py
+++ b/openerp/addons/base/ir/ir_ui_menu.py
@@ -50,6 +50,10 @@ class ir_ui_menu(osv.osv):
     def clear_cache(self):
         with self.cache_lock:
             # radical but this doesn't frequently happen
+            if self._cache:
+                # Normally this is done by openerp.tools.ormcache
+                # but since we do not use it, set it by ourself.
+                self.pool._any_cache_cleared = True
             self._cache = {}
 
     def _filter_visible_menus(self, cr, uid, ids, context=None):
diff --git a/openerp/modules/registry.py b/openerp/modules/registry.py
index c5caeeee086..4dcb811da6b 100644
--- a/openerp/modules/registry.py
+++ b/openerp/modules/registry.py
@@ -126,6 +126,11 @@ class Registry(object):
         """
         for model in self.models.itervalues():
             model.clear_caches()
+        # Special case for ir_ui_menu which does not use openerp.tools.ormcache.
+        ir_ui_menu = self.models.get('ir.ui.menu')
+        if ir_ui_menu:
+            ir_ui_menu.clear_cache()
+
 
     # Useful only in a multi-process context.
     def reset_any_cache_cleared(self):