diff --git a/bin/addons/base/res/res_config.py b/bin/addons/base/res/res_config.py
index 555baf8a0d1..6f87e8a83b9 100644
--- a/bin/addons/base/res/res_config.py
+++ b/bin/addons/base/res/res_config.py
@@ -204,7 +204,7 @@ class res_config_installer(osv.osv_memory):
             fields[module.name].update(
                 readonly=True,
                 help=fields[module.name].get('help', '') +
-                     '\n\nThis addon is already installed on your system')
+                     _('\n\nThis addon is already installed on your system'))
 
         return fields