diff --git a/hardware/raspberrypi/fan/files/fan_ctrl.py b/hardware/raspberrypi/fan/files/fan_ctrl.py
index 0ec3aaf..9f3e218 100644
--- a/hardware/raspberrypi/fan/files/fan_ctrl.py
+++ b/hardware/raspberrypi/fan/files/fan_ctrl.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/python3
 # -*- coding: utf-8 -*-
 
 import RPi.GPIO as GPIO