diff --git a/content/meetups.json b/content/meetups.json
index 38e36cf8360..2c495989a51 100644
--- a/content/meetups.json
+++ b/content/meetups.json
@@ -161,7 +161,7 @@
   },
   {
     "name": "Einundzwanzig Köln",
-    "url": "https://t.me/joinchat/0rUVc-k5fBljNWUy",
+    "url": "https://t.me/einundzwanzig_koeln",
     "top": 42,
     "left": 17,
     "country": "DE",
@@ -225,7 +225,7 @@
   },
   {
     "name": "Einundzwanzig Mannheim",
-    "url": "https://t.me/joinchat/lYrIAlEAZYwzNThi",
+    "url": "https://t.me/Einundzwanzig_MANNHEIM",
     "top": 58,
     "left": 25,
     "country": "DE",