diff --git a/addons/web/controllers/main.py b/addons/web/controllers/main.py
index c0117043b43..c43f2b57476 100644
--- a/addons/web/controllers/main.py
+++ b/addons/web/controllers/main.py
@@ -1380,7 +1380,7 @@ class Binary(openerpweb.Controller):
         else:
             try:
                 # create an empty registry
-                registry = openerp.modules.registry.Registry(dbname.lower())
+                registry = openerp.modules.registry.Registry(dbname)
                 with registry.cursor() as cr:
                     cr.execute("""SELECT c.logo_web
                                     FROM res_users u