diff --git a/reactos/drivers/wdm/audio/legacy/wdmaud/wdmaud.h b/reactos/drivers/wdm/audio/legacy/wdmaud/wdmaud.h
new file mode 100644
index 00000000000..ef87e349a08
--- /dev/null
+++ b/reactos/drivers/wdm/audio/legacy/wdmaud/wdmaud.h
@@ -0,0 +1,27 @@
+#ifndef WDMAUD_H__
+#define WDMAUD_H__
+
+#define _NTDDK_
+#include <ntddk.h>
+#include <portcls.h>
+#define YDEBUG
+#include <debug.h>
+
+typedef struct
+{
+    KSDEVICE_HEADER DeviceHeader;
+    PVOID SysAudioNotification;
+
+}WDMAUD_DEVICE_EXTENSION, *PWDMAUD_DEVICE_EXTENSION;
+
+
+
+
+
+
+
+
+
+
+
+#endif