diff --git a/src/slic3r/GUI/GUI_ObjectList.cpp b/src/slic3r/GUI/GUI_ObjectList.cpp
index f27623b09..0b6235425 100644
--- a/src/slic3r/GUI/GUI_ObjectList.cpp
+++ b/src/slic3r/GUI/GUI_ObjectList.cpp
@@ -21,6 +21,7 @@
 
 #include <boost/algorithm/string.hpp>
 #include <wx/progdlg.h>
+#include <wx/numformatter.h>
 
 #include "slic3r/Utils/FixModelByWin10.hpp"