diff --git a/dialogflow_task_executive/node_scripts/dialogflow_client.py b/dialogflow_task_executive/node_scripts/dialogflow_client.py
index 5f443346b..25e7c032a 100755
--- a/dialogflow_task_executive/node_scripts/dialogflow_client.py
+++ b/dialogflow_task_executive/node_scripts/dialogflow_client.py
@@ -73,6 +73,7 @@ def __init__(self):
 
         # use TTS feature
         self.use_tts = rospy.get_param("~use_tts", True)
+        self.volume = rospy.get_param('~volume', 1.0)
 
         # timeout for voice input activation by hotword
         self.timeout = rospy.get_param("~timeout", 10.0)
@@ -181,9 +182,10 @@ def speak_result(self, result):
         msg = SoundRequest(
             command=SoundRequest.PLAY_ONCE,
             sound=SoundRequest.SAY,
-            volume=1.0,
+            volume=self.volume,
             arg=result.fulfillment_text.encode('utf-8'),
             arg2=self.language)
+
         self.sound_action.send_goal_and_wait(
             SoundRequestGoal(sound_request=msg),
             rospy.Duration(10.0))