diff --git a/basis/ui/backend/gtk/authors.txt b/basis/ui/backend/gtk/authors.txt
index 4af9fbeb0a..7239f42449 100644
--- a/basis/ui/backend/gtk/authors.txt
+++ b/basis/ui/backend/gtk/authors.txt
@@ -1 +1,2 @@
 Anton Gorenko
+Philipp Brüschweiler
diff --git a/basis/ui/backend/gtk/gtk.factor b/basis/ui/backend/gtk/gtk.factor
index 99bbe11ad8..fa0e575c2d 100644
--- a/basis/ui/backend/gtk/gtk.factor
+++ b/basis/ui/backend/gtk/gtk.factor
@@ -1,4 +1,4 @@
-! Copyright (C) 2010 Anton Gorenko.
+! Copyright (C) 2010 Anton Gorenko, Philipp Brüschweiler.
 ! See http://factorcode.org/license.txt for BSD license.
 USING: accessors alien.accessors alien.c-types alien.data
 alien.enums alien.strings arrays ascii assocs classes.struct