diff --git a/frontend/src/ts/utils/typo-list.ts b/frontend/src/ts/utils/typo-list.ts
index be126caa7..897e45cc6 100644
--- a/frontend/src/ts/utils/typo-list.ts
+++ b/frontend/src/ts/utils/typo-list.ts
@@ -89,7 +89,7 @@ export default [
   "homail.de",
   "hotmai.de",
   "hotmal.de",
-  "mx.de",
+  "@mx.de",
   "mx.net",
   "@otmail.com",
   "r-online.de",