diff --git a/src/app.ts b/src/app.ts
index 971fe210..b9cca576 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -13,6 +13,8 @@ import { payRouter } from "./routes/pay.ts";
 import { statsRouter } from "./routes/stats.ts";
 import { webuiRouter } from "./routes/webui.ts";
 
+import { worldStateController } from "./controllers/dynamic/worldStateController.ts";
+
 const app = express();
 
 app.use((req, _res, next) => {
@@ -45,6 +47,9 @@ app.use("/pay", payRouter);
 app.use("/stats", statsRouter);
 app.use("/", webuiRouter);
 
+// U39.1+ gets worldState from that location
+app.get("/worldState.php", worldStateController);
+
 app.use(unknownEndpointHandler);
 app.use(errorHandler);