diff --git a/lib/tasks/gather.js b/lib/tasks/gather.js
index 67802a2b..efc19a0b 100644
--- a/lib/tasks/gather.js
+++ b/lib/tasks/gather.js
@@ -685,7 +685,9 @@ class TaskGather extends SttTask {
   }
 
   _startAsrTimer() {
-    if (this.vendor === 'deepgram') return; // no need
+    // Deepgram has a case that UtteranceEnd is not sent to cover the last word end time.
+    // So we need to wait for the asrTimeout to be sure that the last word is sent.
+    // if (this.vendor === 'deepgram') return; // no need
     assert(this.isContinuousAsr);
     this._clearAsrTimer();
     this._asrTimer = setTimeout(() => {