diff --git a/tools/esptool.py b/tools/esptool.py
index c6027eb7..130e80f0 100755
--- a/tools/esptool.py
+++ b/tools/esptool.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python
 #
 # ESP8266 ROM Bootloader Utility
 # https://github.com/themadinventor/esptool