diff --git a/addons/base_setup/installer.py b/addons/base_setup/installer.py
index 4de276fdce2..911e587d432 100644
--- a/addons/base_setup/installer.py
+++ b/addons/base_setup/installer.py
@@ -146,7 +146,7 @@ class base_setup_installer(osv.osv_memory):
             elif i.state == 'installed':
                 if modules_selected:
                     for instl in modules_selected:
-                        cr.execute("update ir_actions_todo set state='open' from ir_model_data as data where data.res_id = ir_actions_todo.id and data.model =  'ir.actions.todo' and data.module  like '%"+instl+"%'")
+                        cr.execute("update ir_actions_todo set state='open' from ir_model_data as data where data.res_id = ir_actions_todo.id and data.model =  'ir.actions.todo' and data.module=%s", (instl, ))
         
         return