diff --git a/libavcodec/x86/Makefile b/libavcodec/x86/Makefile
index 32086992b4..204c856340 100644
--- a/libavcodec/x86/Makefile
+++ b/libavcodec/x86/Makefile
@@ -125,4 +125,4 @@ YASM-OBJS-$(CONFIG_V210_ENCODER)       += x86/v210enc.o
 YASM-OBJS-$(CONFIG_VORBIS_DECODER)     += x86/vorbisdsp.o
 YASM-OBJS-$(CONFIG_VP3_DECODER)        += x86/hpeldsp_vp3.o
 YASM-OBJS-$(CONFIG_VP6_DECODER)        += x86/vp6dsp.o
-YASM-OBJS-$(CONFIG_VP9_DECODER)        += x86/vp9dsp.o
+YASM-OBJS-$(CONFIG_VP9_DECODER)        += x86/vp9mc.o
diff --git a/libavcodec/x86/vp9dsp.asm b/libavcodec/x86/vp9mc.asm
similarity index 99%
rename from libavcodec/x86/vp9dsp.asm
rename to libavcodec/x86/vp9mc.asm
index 442fc2b8e7..59e56687f2 100644
--- a/libavcodec/x86/vp9dsp.asm
+++ b/libavcodec/x86/vp9mc.asm
@@ -1,5 +1,5 @@
 ;******************************************************************************
-;* VP9 SIMD optimizations
+;* VP9 motion compensation SIMD optimizations
 ;*
 ;* Copyright (c) 2013 Ronald S. Bultje <rsbultje gmail com>
 ;*