diff --git a/app/matrix/homeserver.yaml b/app/matrix/homeserver.yaml
index 0f23064..138d81f 100644
--- a/app/matrix/homeserver.yaml
+++ b/app/matrix/homeserver.yaml
@@ -3,6 +3,7 @@
 ## Server ##
 
 server_name: "hackerspace.pl"
+public_baseurl: "https://matrix.hackerspace.pl"
 pid_file: /homeserver.pid
 web_client: False
 soft_file_limit: 0