diff --git a/node/basic-sample/bot/index.js b/node/basic-sample/bot/index.js
index 61a61f7..766a30f 100644
--- a/node/basic-sample/bot/index.js
+++ b/node/basic-sample/bot/index.js
@@ -93,4 +93,5 @@ server.post('/api/proactive', async (req, res) => {
     await adapter.continueConversation(reference, async (turnContext) => {
         await turnContext.sendActivity(message);
     });
+    res.send(200);
 });