diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index 08cff00d8b8bd2eb97c73dc18af35ebe93dc0bfa..704f82425c6431db9bfe36b83d8aa6f6570649bc 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -9080,7 +9080,7 @@ static int qemuDomainGetBlockInfo(virDomainPtr dom,
     }
 
     if (S_ISREG(sb.st_mode)) {
-#ifndef __MINGW32__
+#ifndef WIN32
         info->physical = (unsigned long long)sb.st_blocks *
             (unsigned long long)DEV_BSIZE;
 #else
diff --git a/src/storage/storage_backend.c b/src/storage/storage_backend.c
index 5003b8c6b4c46649801f3c1f315af44cf230721d..be87a81d989905396a69af75d2647c66342afdcc 100644
--- a/src/storage/storage_backend.c
+++ b/src/storage/storage_backend.c
@@ -954,7 +954,7 @@ virStorageBackendUpdateVolTargetInfoFD(virStorageVolTargetPtr target,
 
     if (allocation) {
         if (S_ISREG(sb.st_mode)) {
-#ifndef __MINGW32__
+#ifndef WIN32
             *allocation = (unsigned long long)sb.st_blocks *
                           (unsigned long long)DEV_BSIZE;
 #else
@@ -1184,7 +1184,7 @@ virStorageBackendStablePath(virStoragePoolObjPtr pool,
 }
 
 
-#ifndef __MINGW32__
+#ifndef WIN32
 /*
  * Run an external program.
  *
@@ -1466,7 +1466,7 @@ virStorageBackendRunProgNul(virStoragePoolObjPtr pool,
     return 0;
 }
 
-#else
+#else /* WIN32 */
 
 int
 virStorageBackendRunProgRegex(virConnectPtr conn,
@@ -1494,4 +1494,4 @@ virStorageBackendRunProgNul(virConnectPtr conn,
     virStorageReportError(VIR_ERR_INTERNAL_ERROR, _("%s not implemented on Win32"), __FUNCTION__);
     return -1;
 }
-#endif
+#endif /* WIN32 */
diff --git a/tools/console.c b/tools/console.c
index 4201ba4fc964f730004396cb8d94d016e82e586b..60e62e2c06d49a79125713ef87648f4a18b0715a 100644
--- a/tools/console.c
+++ b/tools/console.c
@@ -1,7 +1,7 @@
 /*
  * console.c: A dumb serial console client
  *
- * Copyright (C) 2007, 2008 Red Hat, Inc.
+ * Copyright (C) 2007, 2008, 2010 Red Hat, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -22,7 +22,7 @@
 
 #include <config.h>
 
-#ifndef __MINGW32__
+#ifndef WIN32
 
 # include <stdio.h>
 # include <sys/types.h>
@@ -197,4 +197,4 @@ int vshRunConsole(const char *tty) {
     return ret;
 }
 
-#endif /* !__MINGW32__ */
+#endif /* !WIN32 */
diff --git a/tools/console.h b/tools/console.h
index 683f1cbad25f8e94c3944cdd4d2a6fd3e644ed54..d0df78db1bac1841c0dbe41169d921e39bbf2eb4 100644
--- a/tools/console.h
+++ b/tools/console.h
@@ -1,7 +1,7 @@
 /*
  * console.c: A dumb serial console client
  *
- * Copyright (C) 2007 Red Hat, Inc.
+ * Copyright (C) 2007, 2010 Red Hat, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -23,10 +23,10 @@
 #ifndef __VIR_CONSOLE_H__
 # define __VIR_CONSOLE_H__
 
-# ifndef __MINGW32__
+# ifndef WIN32
 
 int vshRunConsole(const char *tty);
 
-# endif /* !__MINGW32__ */
+# endif /* !WIN32 */
 
 #endif /* __VIR_CONSOLE_H__ */