diff --git a/shared-core/drm_drawable.c b/shared-core/drm_drawable.c
index 81eb9f08..bbfaf139 100644
--- a/shared-core/drm_drawable.c
+++ b/shared-core/drm_drawable.c
@@ -12,6 +12,7 @@
  *
  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * Copyright 2006 Tungsten Graphics, Inc., Bismarck, North Dakota.
  * All Rights Reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a