diff --git a/scripts/flash_usb.py b/scripts/flash_usb.py
index 32f8be91..b45afeff 100755
--- a/scripts/flash_usb.py
+++ b/scripts/flash_usb.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 # Tool to enter a USB bootloader and flash Klipper
 #
 # Copyright (C) 2019  Kevin O'Connor <kevin@koconnor.net>