diff --git a/glib/gtestutils.c b/glib/gtestutils.c
index 494aa085b..b275a6809 100644
--- a/glib/gtestutils.c
+++ b/glib/gtestutils.c
@@ -1,5 +1,6 @@
 /* GLib testing utilities
- * Copyright (C) 2007 Tim Janik
+ * Copyright (C) 2007 Imendio AB
+ * Authors: Tim Janik, Sven Herzberg
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/glib/gtestutils.h b/glib/gtestutils.h
index b57dfd0af..2b60b72a5 100644
--- a/glib/gtestutils.h
+++ b/glib/gtestutils.h
@@ -1,5 +1,6 @@
 /* GLib testing utilities
- * Copyright (C) 2007 Tim Janik
+ * Copyright (C) 2007 Imendio AB
+ * Authors: Tim Janik
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
diff --git a/glib/tests/testing.c b/glib/tests/testing.c
index 468cd08e1..3913f7909 100644
--- a/glib/tests/testing.c
+++ b/glib/tests/testing.c
@@ -1,5 +1,6 @@
 /* GLib testing framework examples and tests
- * Copyright (C) 2007 Tim Janik
+ * Copyright (C) 2007 Imendio AB
+ * Authors: Tim Janik
  *
  * This work is provided "as is"; redistribution and modification
  * in whole or in part, in any medium, physical or electronic is