--- poppler-0.63.0/make-glib-api-docs
+++ poppler-0.63.0/make-glib-api-docs
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python3
 #
 # Copyright (C) 2017 Carlos Garcia Campos <carlosgc@gnome.org>
 #
