diff --git a/frappe/__init__.py b/frappe/__init__.py
index c215023dd6..4bb60e461c 100644
--- a/frappe/__init__.py
+++ b/frappe/__init__.py
@@ -291,7 +291,7 @@ def connect(
 	local.db = get_db(
 		host=local.conf.db_host,
 		port=local.conf.db_port,
-		user=local.conf.db_user,
+		user=local.conf.db_user or db_name,
 		password=None,
 	)
 	if set_admin_as_user: