diff --git a/src/widgets/transmission/proxy.js b/src/widgets/transmission/proxy.js
index 83ca141e3..a57f2fb65 100644
--- a/src/widgets/transmission/proxy.js
+++ b/src/widgets/transmission/proxy.js
@@ -33,7 +33,9 @@ export default async function transmissionProxyHandler(req, res) {
     cache.put(`${headerCacheKey}.${service}`, headers);
   }
 
-  const url = new URL(formatApiCall(widgets[widget.type].api, { endpoint, ...widget }));
+  const api = `${widget.url}${widget.rpcUrl || widgets[widget.type].rpcUrl}rpc`;
+
+  const url = new URL(formatApiCall(api, { endpoint, ...widget }));
   const csrfHeaderName = "x-transmission-session-id";
 
   const method = "POST";
diff --git a/src/widgets/transmission/widget.js b/src/widgets/transmission/widget.js
index 321f25baa..ef76046d3 100644
--- a/src/widgets/transmission/widget.js
+++ b/src/widgets/transmission/widget.js
@@ -1,7 +1,7 @@
 import transmissionProxyHandler from "./proxy";
 
 const widget = {
-  api: "{url}/transmission/rpc",
+  rpcUrl: "/transmission/",
   proxyHandler: transmissionProxyHandler,
 };