diff --git a/src/osgDB/FileNameUtils.cpp b/src/osgDB/FileNameUtils.cpp
index 39b4f5406..f67e527be 100644
--- a/src/osgDB/FileNameUtils.cpp
+++ b/src/osgDB/FileNameUtils.cpp
@@ -19,7 +19,9 @@
 #include <osgDB/FileUtils>
 
 #ifdef WIN32
+#if !defined(__MINGW32__)
     #define _WIN32_WINNT 0x0500
+#endif
     #include <windows.h>
 #endif
 
diff --git a/src/osgDB/FileUtils.cpp b/src/osgDB/FileUtils.cpp
index 1575efcaa..7d86b3788 100644
--- a/src/osgDB/FileUtils.cpp
+++ b/src/osgDB/FileUtils.cpp
@@ -34,7 +34,10 @@ typedef char TCHAR;
     #include <direct.h> // for _mkdir
 
     #define mkdir(x,y) _mkdir((x))
+
+#if !defined(__MINGW32__)
     #define stat64 _stati64
+#endif
 
     // set up for windows so acts just like unix access().
 #ifndef F_OK