diff --git a/packaging/linux/gtk-dialog.py b/packaging/linux/gtk-dialog.py
index 3c967451ad..cded5c8b15 100644
--- a/packaging/linux/gtk-dialog.py
+++ b/packaging/linux/gtk-dialog.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python
+#!/usr/bin/env python3
 """A simple GTK3 graphical dialog helper that can be used as a fallback if zenity is not available
    Compatible with python 2 or 3 with the gi bindings.