diff --git a/lib/server-impl.js b/lib/server-impl.js
index 2b4cf9bc95..b4505469cf 100644
--- a/lib/server-impl.js
+++ b/lib/server-impl.js
@@ -87,9 +87,7 @@ async function start(opts) {
         throw err;
     }
 
-    const instance = await createApp(options);
-
-    return instance;
+    return createApp(options);
 }
 
 module.exports = {
diff --git a/package.json b/package.json
index 121bb61838..54d5b13671 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "url": "https://github.com/unleash/unleash/issues"
   },
   "engines": {
-    "node": ">=12"
+    "node": ">=12 <14"
   },
   "license": "Apache-2.0",
   "main": "./lib/server-impl.js",