diff --git a/src/slic3r/GUI/BitmapCache.hpp b/src/slic3r/GUI/BitmapCache.hpp
index 255cf5495..dd3e6ffc0 100644
--- a/src/slic3r/GUI/BitmapCache.hpp
+++ b/src/slic3r/GUI/BitmapCache.hpp
@@ -1,6 +1,8 @@
 #ifndef SLIC3R_GUI_BITMAP_CACHE_HPP
 #define SLIC3R_GUI_BITMAP_CACHE_HPP
 
+#include <map>
+
 #include <wx/wxprec.h>
 #ifndef WX_PRECOMP
     #include <wx/wx.h>