diff --git a/kitty_tests/gr.py b/kitty_tests/gr.py
index 0247761c0..1c2a64144 100644
--- a/kitty_tests/gr.py
+++ b/kitty_tests/gr.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # vim:fileencoding=utf-8
 # License: GPL v3 Copyright: 2017, Kovid Goyal <kovid at kovidgoyal.net>