diff --git a/evennia/settings_default.py b/evennia/settings_default.py
index 01879aba72..779d2e3245 100644
--- a/evennia/settings_default.py
+++ b/evennia/settings_default.py
@@ -761,6 +761,7 @@ INSTALLED_APPS = (
     'django.contrib.flatpages',
     'django.contrib.sites',
     'django.contrib.staticfiles',
+    'sekizai',
     'evennia.utils.idmapper',
     'evennia.server',
     'evennia.typeclasses',