diff --git a/libavcodec/ppc/Makefile b/libavcodec/ppc/Makefile
index febbb0a231..bfd777f664 100644
--- a/libavcodec/ppc/Makefile
+++ b/libavcodec/ppc/Makefile
@@ -11,7 +11,7 @@ FFT-OBJS-$(HAVE_GNU_AS)                += ppc/fft_altivec_s.o
 ALTIVEC-OBJS-$(CONFIG_FFT)             += ppc/fft_altivec.o             \
                                           $(FFT-OBJS-yes)
 ALTIVEC-OBJS-$(CONFIG_H264DSP)         += ppc/h264_altivec.o
-ALTIVEC-OBJS-$(CONFIG_MPEGAUDIODSP)    += ppc/mpegaudiodec_altivec.o
+ALTIVEC-OBJS-$(CONFIG_MPEGAUDIODSP)    += ppc/mpegaudiodsp_altivec.o
 ALTIVEC-OBJS-$(CONFIG_MPEGVIDEO)       += ppc/mpegvideo_altivec.o
 ALTIVEC-OBJS-$(CONFIG_VC1_DECODER)     += ppc/vc1dsp_altivec.o
 ALTIVEC-OBJS-$(CONFIG_VP8_DECODER)     += ppc/vp8dsp_altivec.o
diff --git a/libavcodec/ppc/mpegaudiodec_altivec.c b/libavcodec/ppc/mpegaudiodsp_altivec.c
similarity index 100%
rename from libavcodec/ppc/mpegaudiodec_altivec.c
rename to libavcodec/ppc/mpegaudiodsp_altivec.c
diff --git a/libavcodec/x86/Makefile b/libavcodec/x86/Makefile
index f6581f965b..a15d735733 100644
--- a/libavcodec/x86/Makefile
+++ b/libavcodec/x86/Makefile
@@ -13,7 +13,7 @@ OBJS-$(CONFIG_H264QPEL)                += x86/h264_qpel.o
 OBJS-$(CONFIG_HPELDSP)                 += x86/hpeldsp_init.o
 OBJS-$(CONFIG_LPC)                     += x86/lpc.o
 OBJS-$(CONFIG_MLP_DECODER)             += x86/mlpdsp.o
-OBJS-$(CONFIG_MPEGAUDIODSP)            += x86/mpegaudiodec.o
+OBJS-$(CONFIG_MPEGAUDIODSP)            += x86/mpegaudiodsp.o
 OBJS-$(CONFIG_MPEGVIDEO)               += x86/mpegvideo.o
 OBJS-$(CONFIG_MPEGVIDEOENC)            += x86/mpegvideoenc.o
 OBJS-$(CONFIG_PNG_DECODER)             += x86/pngdsp_init.o
diff --git a/libavcodec/x86/mpegaudiodec.c b/libavcodec/x86/mpegaudiodsp.c
similarity index 100%
rename from libavcodec/x86/mpegaudiodec.c
rename to libavcodec/x86/mpegaudiodsp.c