diff --git a/src/cdrom-ioctl.c b/src/cdrom-ioctl.c
index f1b133c..62c8319 100644
--- a/src/cdrom-ioctl.c
+++ b/src/cdrom-ioctl.c
@@ -2,7 +2,7 @@
 
 #include <windows.h>
 #include <io.h>
-#ifdef __MINGW64__
+#ifdef __MINGW64_VERSION_MAJOR
 #include "ntddcdrm.h"
 #include "ntddscsi.h"
 #else
@@ -16,7 +16,7 @@
 int cdrom_drive;
 int old_cdrom_drive;
 
-#ifndef __MINGW64__
+#ifndef __MINGW64_VERSION_MAJOR
 typedef struct _CDROM_TOC_SESSION_DATA {
   UCHAR      Length[2];
   UCHAR      FirstCompleteSession;