diff --git a/audio/xaudio-c/xaudio.h b/audio/xaudio-c/xaudio.h
index 104f85ed3e..a9ca9ae85b 100644
--- a/audio/xaudio-c/xaudio.h
+++ b/audio/xaudio-c/xaudio.h
@@ -62,7 +62,7 @@ DEFINE_IID(IXAudio2, 8bcf1f58, 9fe7, 4583, 8a, c6, e2, ad, c4, 65, c8, bb);
    DEFINE_GUID_X(IID_##interfaceName, 0x##l, 0x##w1, 0x##w2, 0x##b1, 0x##b2, 0x##b3, 0x##b4, 0x##b5, 0x##b6, 0x##b7, 0x##b8)
 #define X2DEFAULT(x)
 
-DEFINE_CLSID_X(XAudio2, e21a7345, eb21, 468e, be, 50, 80, 4d, b9, 7c, f7, 08); // XAudio2 2.7
+DEFINE_CLSID_X(XAudio2, 5a508685, a254, 4fba, 9b, 82, 9a, 24, b0, 03, 06, af); // 2.7
 DEFINE_IID_X(IXAudio2, 8bcf1f58, 9fe7, 4583, 8a, c6, e2, ad, c4, 65, c8, bb);
 
 #ifndef INTERFACE