diff --git a/ros_awsiot_agent/src/ros_awsiot_agent/mqtt2ros.py b/ros_awsiot_agent/src/ros_awsiot_agent/mqtt2ros.py
index 294f39d..bee53cb 100755
--- a/ros_awsiot_agent/src/ros_awsiot_agent/mqtt2ros.py
+++ b/ros_awsiot_agent/src/ros_awsiot_agent/mqtt2ros.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 import logging
 from os.path import expanduser
diff --git a/ros_awsiot_agent/src/ros_awsiot_agent/ros2mqtt.py b/ros_awsiot_agent/src/ros_awsiot_agent/ros2mqtt.py
index c796366..4da8beb 100755
--- a/ros_awsiot_agent/src/ros_awsiot_agent/ros2mqtt.py
+++ b/ros_awsiot_agent/src/ros_awsiot_agent/ros2mqtt.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python3
+#!/usr/bin/env python3
 
 import logging
 from os.path import expanduser