diff --git a/shared/src/canvas/BackGround.cpp b/shared/src/canvas/BackGround.cpp
index 4743398..7353db0 100644
--- a/shared/src/canvas/BackGround.cpp
+++ b/shared/src/canvas/BackGround.cpp
@@ -1,4 +1,5 @@
 #include <cmath>
+#include  <algorithm>
 
 #include "canvas/BackGround.hpp"
 #include "canvas/BackGroundColors.hpp"