diff --git a/src/slic3r/GUI/Camera.hpp b/src/slic3r/GUI/Camera.hpp
index ff2d3aa31..d19bc870e 100644
--- a/src/slic3r/GUI/Camera.hpp
+++ b/src/slic3r/GUI/Camera.hpp
@@ -2,6 +2,7 @@
 #define slic3r_Camera_hpp_
 
 #include "libslic3r/BoundingBox.hpp"
+#include <array>
 
 namespace Slic3r {
 namespace GUI {