diff --git a/reactos/dll/win32/mmdevapi/devenum.c b/reactos/dll/win32/mmdevapi/devenum.c
index 29e8392de7c..7aa5a009aeb 100644
--- a/reactos/dll/win32/mmdevapi/devenum.c
+++ b/reactos/dll/win32/mmdevapi/devenum.c
@@ -20,7 +20,7 @@
 
 #include <wine/list.h>
 
-#include <ole2.h>
+#include <oleauto.h>
 #include <initguid.h>
 #define _WINDOWS_H
 #include <dshow.h>
diff --git a/reactos/dll/win32/mmdevapi/mmdevapi.h b/reactos/dll/win32/mmdevapi/mmdevapi.h
index 04355226d18..07d930684e0 100644
--- a/reactos/dll/win32/mmdevapi/mmdevapi.h
+++ b/reactos/dll/win32/mmdevapi/mmdevapi.h
@@ -25,8 +25,8 @@
 #define _INC_WINDOWS
 #define COM_NO_WINDOWS_H
 
-#define NONAMELESSUNION
 #define COBJMACROS
+#define NONAMELESSUNION
 
 #include <windef.h>
 #include <winbase.h>
@@ -37,9 +37,9 @@
 #include <endpointvolume.h>
 #include <mmdeviceapi.h>
 
+#include <wine/debug.h>
 #include <wine/unicode.h>
 
-#include <wine/debug.h>
 WINE_DEFAULT_DEBUG_CHANNEL(mmdevapi);
 
 extern HRESULT MMDevEnum_Create(REFIID riid, void **ppv) DECLSPEC_HIDDEN;