diff --git a/src/slic3r/GUI/ExtraRenderers.hpp b/src/slic3r/GUI/ExtraRenderers.hpp
index 4c1fb09de..de013e9d2 100644
--- a/src/slic3r/GUI/ExtraRenderers.hpp
+++ b/src/slic3r/GUI/ExtraRenderers.hpp
@@ -1,6 +1,8 @@
 #ifndef slic3r_GUI_ExtraRenderers_hpp_
 #define slic3r_GUI_ExtraRenderers_hpp_
 
+#include <functional>
+
 #include <wx/dataview.h>
 
 #if wxUSE_MARKUP && wxCHECK_VERSION(3, 1, 1)