diff --git a/local-cli/server/middleware/MiddlewareManager.js b/local-cli/server/middleware/MiddlewareManager.js
index 25fe213c287d62..5402caf6f8ed12 100644
--- a/local-cli/server/middleware/MiddlewareManager.js
+++ b/local-cli/server/middleware/MiddlewareManager.js
@@ -40,7 +40,7 @@ module.exports = class MiddlewareManager {
   options: Options;
 
   constructor(options: Options) {
-    const debuggerUIFolder = path.join(__dirname, 'util', 'debugger-ui');
+    const debuggerUIFolder = path.join(__dirname, '..', 'util', 'debugger-ui');
 
     this.options = options;
     this.app = connect()
diff --git a/local-cli/server/runServer.js b/local-cli/server/runServer.js
index f5a94b73958894..7dfaaed72a18ff 100644
--- a/local-cli/server/runServer.js
+++ b/local-cli/server/runServer.js
@@ -66,6 +66,8 @@ async function runServer(args: Args, config: ConfigT) {
         : config.getTransformModulePath(),
       watch: !args.nonPersistent,
     },
+    host: args.host,
+    port: args.port,
   });
 
   // In Node 8, the default keep-alive for an HTTP connection is 5 seconds. In