diff --git a/dialogflow_task_executive/node_scripts/task_executive.py b/dialogflow_task_executive/node_scripts/task_executive.py
index 7dbacbd8f..4e881eb60 100644
--- a/dialogflow_task_executive/node_scripts/task_executive.py
+++ b/dialogflow_task_executive/node_scripts/task_executive.py
@@ -238,7 +238,7 @@ def dialog_cb(self, msg):
         rospy.loginfo(
             "Starting '{}' with parameters '{}'"
             .format(msg.action, msg.parameters))
-        self.app_manager.start_app(action,launch_args)
+        self.app_manager.start_app(action, launch_args)
 
     def app_start_cb(self, name):
         rospy.loginfo("{} started".format(name))