diff --git a/config/hosts/public-web-static/spaceapid-config/ccchh-response.json b/config/hosts/public-web-static/spaceapid-config/ccchh-response.json
index 9a5793e..2428ec0 100644
--- a/config/hosts/public-web-static/spaceapid-config/ccchh-response.json
+++ b/config/hosts/public-web-static/spaceapid-config/ccchh-response.json
@@ -27,7 +27,7 @@
       },
       "calendar": {
         "type": "ical",
-        "url": "webcal://cloud.hamburg.ccc.de/remote.php/dav/public-calendars/QJAdExziSnNJEz5g/?export"
+        "url": "https://cloud.hamburg.ccc.de/remote.php/dav/public-calendars/QJAdExziSnNJEz5g/?export"
       }
     },
     "links": [