diff --git a/gst-libs/gst/riff/riff.h b/gst-libs/gst/riff/riff.h
index 33d1b4dc59..4792c5ed29 100644
--- a/gst-libs/gst/riff/riff.h
+++ b/gst-libs/gst/riff/riff.h
@@ -313,8 +313,9 @@ struct _gst_riff_strf_auds {       /* == WaveHeader (?) */
 #define GST_RIFF_IBM_FORMAT_MULAW           (0x0101)
 #define GST_RIFF_IBM_FORMAT_ALAW            (0x0102)
 #define GST_RIFF_IBM_FORMAT_ADPCM           (0x0103)
-#define GST_RIFF_WAVE_FORMAT_DIVX           (0x0160)
-#define GST_RIFF_WAVE_FORMAT_divx           (0x0161)
+#define GST_RIFF_WAVE_FORMAT_DIVX_WMAV1     (0x0160)
+#define GST_RIFF_WAVE_FORMAT_DIVX_WMAV2     (0x0161)
+#define GST_RIFF_WAVE_FORMAT_WMAV9          (0x0162)
 #define GST_RIFF_WAVE_FORMAT_A52	    (0x2000)
 #define GST_RIFF_WAVE_FORMAT_VORBIS1        (0x674f)
 #define GST_RIFF_WAVE_FORMAT_VORBIS2        (0x6750)