diff --git a/content/meetups.json b/content/meetups.json
index 0f1229db963..7825a36a0c3 100644
--- a/content/meetups.json
+++ b/content/meetups.json
@@ -225,7 +225,7 @@
   },
   {
     "name": "Einundzwanzig Mainz",
-    "url": "https://t.me/joinchat/kgdKrjL58C1lOTAy",
+    "url": "https://t.me/Einundzwanzig_MAINZ",
     "top": 55,
     "left": 24,
     "country": "DE",