diff --git a/src/CanvasRenderingContext2d.cc b/src/CanvasRenderingContext2d.cc
index 179593a..7a6ac24 100644
--- a/src/CanvasRenderingContext2d.cc
+++ b/src/CanvasRenderingContext2d.cc
@@ -9,6 +9,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <vector>
+#include <algorithm>
 #include "Canvas.h"
 #include "Point.h"
 #include "Image.h"