diff --git a/app/Rules/ForbiddenSubdomains.php b/app/Rules/ForbiddenSubdomains.php
index 6e4139cb..b1afb805 100644
--- a/app/Rules/ForbiddenSubdomains.php
+++ b/app/Rules/ForbiddenSubdomains.php
@@ -103,6 +103,8 @@
     'manage',
     'mattermost',
     'mediawiki',
+    'meta',
+    'metawiki',
     'mx',
     'my',
     'network',