diff --git a/xpra/gtk/configure/__init__.py b/xpra/gtk/configure/__init__.py
new file mode 100644
index 0000000000..7b509c3ca1
--- /dev/null
+++ b/xpra/gtk/configure/__init__.py
@@ -0,0 +1,4 @@
+# This file is part of Xpra.
+# Copyright (C) 2023 Antoine Martin <antoine@xpra.org>
+# Xpra is released under the terms of the GNU GPL v2, or, at your option, any
+# later version. See the file COPYING for details.