diff --git a/sun_position/geo.py b/sun_position/geo.py

index fe826361..98b350f4 100644

--- a/scripts/addons/sun_position/geo.py

+++ b/scripts/addons/sun_position/geo.py

@@ -1,4 +1,4 @@

-#!/usr/bin/env python

+#!/usr/bin/env python3

 # SPDX-License-Identifier: GPL-3.0-or-later

 # Copyright 2010  Maximilian Hoegner <hp.maxi@hoegners.de>.