diff --git a/frontend/src/ts/utils/typo-list.ts b/frontend/src/ts/utils/typo-list.ts
index 0c8e4c402f57..be126caa763c 100644
--- a/frontend/src/ts/utils/typo-list.ts
+++ b/frontend/src/ts/utils/typo-list.ts
@@ -91,7 +91,7 @@ export default [
   "hotmal.de",
   "mx.de",
   "mx.net",
-  "otmail.com",
+  "@otmail.com",
   "r-online.de",
   "rcor.de",
   "reenet.de",