diff --git a/openerp/addons/base/module/module.py b/openerp/addons/base/module/module.py
index 1332b6567c4..a70ba72b2d2 100644
--- a/openerp/addons/base/module/module.py
+++ b/openerp/addons/base/module/module.py
@@ -610,6 +610,13 @@ class module(osv.osv):
             self._update_dependencies(cr, uid, mod, terp.get('depends', []))
             self._update_category(cr, uid, mod, terp.get('category', 'Uncategorized'))
 
+        # Trigger load_addons if new module have been discovered it exists on
+        # wsgi handlers, so they can react accordingly
+        if tuple(res) != (0, 0):
+            for handler in openerp.service.wsgi_server.module_handlers:
+                if hasattr(handler,'load_addons'):
+                    handler.load_addons()
+
         return res
 
     def download(self, cr, uid, ids, download=True, context=None):