diff --git a/src/etapi/app_info.js b/src/etapi/app_info.js
deleted file mode 100644
index 20c1381f0..000000000
--- a/src/etapi/app_info.js
+++ /dev/null
@@ -1,12 +0,0 @@
-const appInfo = require('../services/app_info');
-const eu = require('./etapi_utils');
-
-function register(router) {
-    eu.route(router, 'get', '/etapi/app-info', (req, res, next) => {
-        res.status(200).json(appInfo);
-    });
-}
-
-module.exports = {
-    register
-};
diff --git a/src/etapi/app_info.ts b/src/etapi/app_info.ts
new file mode 100644
index 000000000..81830fec2
--- /dev/null
+++ b/src/etapi/app_info.ts
@@ -0,0 +1,13 @@
+import { Router } from 'express';
+import appInfo = require('../services/app_info');
+import eu = require('./etapi_utils');
+
+function register(router: Router) {
+    eu.route(router, 'get', '/etapi/app-info', (req, res, next) => {
+        res.status(200).json(appInfo);
+    });
+}
+
+export = {
+    register
+};