diff --git a/ccchh-template.json b/ccchh-template.json
index 1a6b463..2bdab53 100644
--- a/ccchh-template.json
+++ b/ccchh-template.json
@@ -12,7 +12,7 @@
     "lat": 53.55836
   },
   "contact": {
-    "phone": "",
+    "phone": "+494023830150",
     "irc": "ircs://irc.hackint.org:9999/ccchh",
     "mastodon": "@ccchh@chaos.social",
     "email": "mail@hamburg.ccc.de",