diff --git a/modules/servers/synapse.nix b/modules/servers/synapse.nix
index 0c6e7f2..393f241 100644
--- a/modules/servers/synapse.nix
+++ b/modules/servers/synapse.nix
@@ -58,7 +58,7 @@ in
         ];
         settings = {
           server_name = cfg.domain;
-          public_baseurl = cfg.url;
+          public_baseurl = "http://${config.my.ips.wg-server}:${toString cfg.port}";
           federation_domain_whitelist = [ ];
           allow_public_rooms_without_auth = false;
           allow_public_rooms_over_federation = false;