diff --git a/libraries/ZWidget/include/zwidget/core/pathfill.h b/libraries/ZWidget/include/zwidget/core/pathfill.h
index fa9e0f933..a6d749806 100644
--- a/libraries/ZWidget/include/zwidget/core/pathfill.h
+++ b/libraries/ZWidget/include/zwidget/core/pathfill.h
@@ -2,6 +2,8 @@
 
 #include <vector>
 #include <stdint.h>
+#include <limits.h> 
+#include <string.h>
 #include "core/rect.h"
 
 /*