diff --git a/reactos/include/user32/win.h b/reactos/include/user32/win.h
index 4841bb13336..d32973999c7 100644
--- a/reactos/include/user32/win.h
+++ b/reactos/include/user32/win.h
@@ -7,6 +7,10 @@
 #ifndef __WINE_WIN_H
 #define __WINE_WIN_H
 
+#define MAX(a, b)((a > b)? a : b)
+#define MIN(a, b)((a < b)? a : b)
+#define max(a, b)((a > b)? a : b)
+#define min(a, b)((a < b)? a : b)
 
 typedef HANDLE HTASK;
 typedef HANDLE HQUEUE;