diff --git a/src/osd/windows/winprefix.h b/src/osd/windows/winprefix.h
index 4ccad8a7d7d..1287b840206 100644
--- a/src/osd/windows/winprefix.h
+++ b/src/osd/windows/winprefix.h
@@ -57,6 +57,8 @@
 #ifndef alloca
 #define alloca  __builtin_alloca
 #endif
+#define min(x,y) fmin(x,y)
+#define max(x,y) fmax(x,y)
 #endif
 
 #define PATH_SEPARATOR      "\\"