diff --git a/aleksis/core/settings.py b/aleksis/core/settings.py
index d328512d3d3b64310a6e65df24c70f027a869498..29c318d2165e00f946d096c3c15bf2a35154d7fb 100644
--- a/aleksis/core/settings.py
+++ b/aleksis/core/settings.py
@@ -630,6 +630,7 @@ SASS_PROCESSOR_INCLUDE_DIRS = [
 ]
 
 ICONIFY_JSON_ROOT = os.path.join(JS_ROOT, "@iconify", "json")
+ICONIFY_COLLECTIONS_ALLOWED = ["mdi"]
 
 ADMINS = _settings.get(
     "contact.admins", [(AUTH_INITIAL_SUPERUSER["username"], AUTH_INITIAL_SUPERUSER["email"])]