diff --git a/module.nix b/module.nix
index 73b054f..0030fdf 100644
--- a/module.nix
+++ b/module.nix
@@ -27,6 +27,7 @@ in
       namespace = mkStringOption "The prefix to use for the MXIDs/aliases of bridged users/rooms. Should end with a _!" "_ooye_";
       discordTokenPath = mkStringOption "The path to the discord token file." "/etc/ooye-discord-token";
       socket = mkStringOption "The socket to listen on, can either be a port number or a unix socket path." "6693";
+      bridgeOrigin = mkStringOption "The web frontend URL for the bridge, defaults to http://localhost:{socket}" "";
 
       enableSynapseIntegration = lib.mkEnableOption "Enable Synapse integration";
     };
@@ -62,6 +63,7 @@ in
             content_length_workaround = false;
             include_user_id_in_mxid = true;
             server_origin = cfg.homeserver;
+            bridge_origin = if (cfg.bridgeOrigin == "") then "http://localhost:${cfg.socket}" else cfg.bridgeOrigin;
           };
         }
       );