diff -ur usr/share/jupiter-fan-control/fancontrol.py usr/share/jupiter-fan-control/fancontrol.py
--- usr/share/jupiter-fan-control/fancontrol.py	2022-12-23 13:14:48.861887067 -0800
+++ usr/share/jupiter-fan-control/fancontrol.py	2022-12-23 00:42:03.223412367 -0800
@@ -1,4 +1,4 @@
-#!/usr/bin/python -u
+#!/bin/env python3 -u
 """jupiter-fan-controller"""
 import signal
 import os
diff -ur usr/share/jupiter-fan-control/PID.py usr/share/jupiter-fan-control/PID.py
--- usr/share/jupiter-fan-control/PID.py	2022-12-23 13:14:48.861887067 -0800
+++ usr/share/jupiter-fan-control/PID.py	2022-12-23 00:42:03.222412347 -0800
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/bin/env python3
 #
 # This file is part of IvPID.
 # Copyright (C) 2015 Ivmech Mechatronics Ltd. <bilgi@ivmech.com>