diff --git a/src/slic3r/GUI/GUI.cpp b/src/slic3r/GUI/GUI.cpp index 176e81212..fd79cf1fd 100644 --- a/src/slic3r/GUI/GUI.cpp +++ b/src/slic3r/GUI/GUI.cpp @@ -18,6 +18,7 @@ #include "AboutDialog.hpp" #include "MsgDialog.hpp" +#include "format.hpp" #include "libslic3r/Print.hpp"