diff --git a/src/pretix/settings.py b/src/pretix/settings.py
index 1a68d21e99..f58bd0d532 100644
--- a/src/pretix/settings.py
+++ b/src/pretix/settings.py
@@ -170,7 +170,7 @@ PRETIX_SESSION_TIMEOUT_RELATIVE = 3600 * 3
 PRETIX_SESSION_TIMEOUT_ABSOLUTE = 3600 * 12
 PRETIX_PRIMARY_COLOR = '#8E44B3'
 
-SITE_URL = config.get('pretix', 'url', fallback='http://localhost')
+SITE_URL = config.get('pretix', 'url', fallback='http://localhost:8000')
 if SITE_URL.endswith('/'):
     SITE_URL = SITE_URL[:-1]