diff --git a/libavfilter/af_anull.c b/libavfilter/af_anull.c
index 140ecb3759..c23c9d8005 100644
--- a/libavfilter/af_anull.c
+++ b/libavfilter/af_anull.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2010 S.N. Hemanth Meenakshisundaram <smeenaks@ucsd.edu>
  * This file is part of FFmpeg.
  *
  * FFmpeg is free software; you can redistribute it and/or