diff --git a/include/xact3wb.h b/include/xact3wb.h
index c68d7a30fad..81b1518930d 100644
--- a/include/xact3wb.h
+++ b/include/xact3wb.h
@@ -138,7 +138,7 @@ typedef struct WAVEBANKDATA
     DWORD dwEntryMetaDataElementSize;
     DWORD dwEntryNameElementSize;
     DWORD dwAlignment;
-    WAVEBANKMINIFORMAT CompactFormat;
+    WAVEBANKMINIWAVEFORMAT CompactFormat;
     FILETIME BuildTime;
 } WAVEBANKDATA, *LPWAVEBANKDATA;
 typedef const WAVEBANKDATA *LPCWAVEBANKDATA;