diff --git a/headers/private/media/RawFormats.h b/headers/private/media/RawFormats.h
index 2f3a2a6e66..af3bfc9184 100644
--- a/headers/private/media/RawFormats.h
+++ b/headers/private/media/RawFormats.h
@@ -8,15 +8,18 @@
 // use. Only the raw decoder does understand them, they are created
 // by the file readers, like WAV or AIFF reader
 
+// these values match those from media_raw_audio_format
+// (type & B_AUDIO_FORMAT_SIZE_MASK) == sample size
 enum {
-	B_AUDIO_FORMAT_UINT8	= 0x00100,
-	B_AUDIO_FORMAT_INT8		= 0x00200,
-	B_AUDIO_FORMAT_INT16	= 0x00400,
-	B_AUDIO_FORMAT_INT24	= 0x00800,
-	B_AUDIO_FORMAT_INT32	= 0x01000,
-	B_AUDIO_FORMAT_FLOAT32	= 0x02000,
-	B_AUDIO_FORMAT_FLOAT64	= 0x04000,
-	B_AUDIO_FORMAT_MASK		= 0xfffff,
+	B_AUDIO_FORMAT_UINT8	= 0x0011,
+	B_AUDIO_FORMAT_INT8		= 0x0001,
+	B_AUDIO_FORMAT_INT16	= 0x0002,
+	B_AUDIO_FORMAT_INT24	= 0x0003,
+	B_AUDIO_FORMAT_INT32	= 0x0004,
+	B_AUDIO_FORMAT_FLOAT32	= 0x0024,
+	B_AUDIO_FORMAT_FLOAT64	= 0x0028,
+	B_AUDIO_FORMAT_MASK		= 0xffff,
+	B_AUDIO_FORMAT_SIZE_MASK	= 0xf,
 	B_AUDIO_FORMAT_CHANNEL_ORDER_WAVE	= 0x100000,
 	B_AUDIO_FORMAT_CHANNEL_ORDER_AIFF	= 0x200000,
 };