diff --git a/share/tools/create_manpage_completions.py b/share/tools/create_manpage_completions.py
index c7c5ca3d7..6f7026706 100755
--- a/share/tools/create_manpage_completions.py
+++ b/share/tools/create_manpage_completions.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
 
 # Run me like this: ./create_manpage_completions.py /usr/share/man/man{1,8}/* > man_completions.fish