diff --git a/trytond/protocols/dispatcher.py b/trytond/protocols/dispatcher.py
index 59a254e8c7..055f84c8f4 100644
--- a/trytond/protocols/dispatcher.py
+++ b/trytond/protocols/dispatcher.py
@@ -100,7 +100,8 @@ def db_exist(request, database_name):
 def db_list(*args):
     if not config.getboolean('database', 'list'):
         raise Exception('AccessDenied')
-    with Transaction().start(None, 0, close=True) as transaction:
+    with Transaction().start(
+            None, 0, close=True, _nocache=True) as transaction:
         return transaction.database.list()