diff --git a/configure b/configure
index 4ef3dc9af7..03d4d0dc69 100755
--- a/configure
+++ b/configure
@@ -1956,6 +1956,7 @@ CONFIG_EXTRA="
     vp56dsp
     vp8dsp
     wma_freqs
+    wmv2dsp
 "
 
 CMDLINE_SELECT="
@@ -2352,8 +2353,8 @@ wmav2_encoder_select="mdct sinewin wma_freqs"
 wmavoice_decoder_select="lsp rdft dct mdct sinewin"
 wmv1_decoder_select="h263_decoder"
 wmv1_encoder_select="h263_encoder"
-wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp"
-wmv2_encoder_select="h263_encoder"
+wmv2_decoder_select="blockdsp h263_decoder idctdsp intrax8 videodsp wmv2dsp"
+wmv2_encoder_select="h263_encoder wmv2dsp"
 wmv3_decoder_select="vc1_decoder"
 wmv3image_decoder_select="wmv3_decoder"
 zerocodec_decoder_select="zlib"
diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index d6a1e04733..42d908e93f 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -117,6 +117,7 @@ OBJS-$(CONFIG_VP3DSP)                  += vp3dsp.o
 OBJS-$(CONFIG_VP56DSP)                 += vp56dsp.o
 OBJS-$(CONFIG_VP8DSP)                  += vp8dsp.o
 OBJS-$(CONFIG_WMA_FREQS)               += wma_freqs.o
+OBJS-$(CONFIG_WMV2DSP)                 += wmv2dsp.o
 
 # decoders/encoders
 OBJS-$(CONFIG_ZERO12V_DECODER)         += 012v.o
@@ -553,9 +554,9 @@ OBJS-$(CONFIG_WMAVOICE_DECODER)        += wmavoice.o \
                                           acelp_vectors.o acelp_filters.o
 OBJS-$(CONFIG_WMV1_DECODER)            += msmpeg4dec.o msmpeg4.o msmpeg4data.o
 OBJS-$(CONFIG_WMV1_ENCODER)            += msmpeg4enc.o
-OBJS-$(CONFIG_WMV2_DECODER)            += wmv2dec.o wmv2.o wmv2dsp.o \
+OBJS-$(CONFIG_WMV2_DECODER)            += wmv2dec.o wmv2.o \
                                           msmpeg4dec.o msmpeg4.o msmpeg4data.o
-OBJS-$(CONFIG_WMV2_ENCODER)            += wmv2enc.o wmv2.o wmv2dsp.o \
+OBJS-$(CONFIG_WMV2_ENCODER)            += wmv2enc.o wmv2.o \
                                           msmpeg4.o msmpeg4enc.o msmpeg4data.o
 OBJS-$(CONFIG_WNV1_DECODER)            += wnv1.o
 OBJS-$(CONFIG_WS_SND1_DECODER)         += ws-snd1.o