diff --git a/roles/copr/frontend/templates/copr.conf b/roles/copr/frontend/templates/copr.conf
index 120d9e096f..1f067ee48d 100644
--- a/roles/copr/frontend/templates/copr.conf
+++ b/roles/copr/frontend/templates/copr.conf
@@ -66,7 +66,7 @@ ENFORCE_PROTOCOL_FOR_FRONTEND_URL = "https"
DIST_GIT_URL="http://{{ dist_git_base_url }}/cgit"
COPR_DIST_GIT_LOGS_URL = "http://{{ dist_git_base_url }}/per-task-logs"
-MBS_URL = "{{ frontend_base_url }}/module/1/module-builds/"
+MBS_URL = "localhost/module/1/module-builds/"
# no need to filter cla_* groups, they are already filtered by fedora openid
BLACKLISTED_GROUPS = ['fedorabugs', 'packager', 'provenpackager']
diff --git a/roles/copr/mbs/files/httpd/mbs.conf b/roles/copr/mbs/files/httpd/mbs.conf
index 94dacdf311..c6b2b3336b 100644
--- a/roles/copr/mbs/files/httpd/mbs.conf
+++ b/roles/copr/mbs/files/httpd/mbs.conf
@@ -6,12 +6,13 @@
WSGIDaemonProcess module-build-service user=mbs group=mbs threads=15 display-name=module-build-service
WSGIScriptAlias /module-build-service /opt/module-build-service/mbs.wsgi
+ Require host localhost
WSGIProcessGroup module-build-service
+ Require host localhost
WSGIApplicationGroup %{GLOBAL}
- Require all granted
RewriteEngine On