diff --git a/.github/scripts/mqtt_test_v5.py b/.github/scripts/mqtt_test_v5.py
index 9736c6a3b..8c143ec3b 100755
--- a/.github/scripts/mqtt_test_v5.py
+++ b/.github/scripts/mqtt_test_v5.py
@@ -204,6 +204,7 @@ def test_topic_alias():
         time.sleep(1)
         times += 1
     
+    time.sleep(2)
     process1.terminate()
     os.kill(pid.value, signal.SIGKILL)
     if cnt.value == 10: