diff --git a/include/bx/platform.h b/include/bx/platform.h
index cca25b8..82c1208 100644
--- a/include/bx/platform.h
+++ b/include/bx/platform.h
@@ -148,9 +148,9 @@ typedef struct { long double x, y; } __float128;
 #if BX_PLATFORM_WINDOWS
 // http://msdn.microsoft.com/en-us/library/6sehtctf.aspx
 #	if !defined(WINVER) && !defined(_WIN32_WINNT)
-		// Windows 2000 and above
-#		define WINVER 0x0500
-#		define _WIN32_WINNT 0x0500
+		// Windows Server 2003 with SP1, Windows XP with SP2 and above
+#		define WINVER 0x0502
+#		define _WIN32_WINNT 0x0502
 #	endif // !defined(WINVER) && !defined(_WIN32_WINNT)
 #endif // BX_PLATFORM_WINDOWS