diff --git a/src/slic3r/GUI/FilamentMapDialog.hpp b/src/slic3r/GUI/FilamentMapDialog.hpp
index 4337471b2a..9c42f20812 100644
--- a/src/slic3r/GUI/FilamentMapDialog.hpp
+++ b/src/slic3r/GUI/FilamentMapDialog.hpp
@@ -2,6 +2,7 @@
 
 #include <vector>
 #include "CapsuleButton.hpp"
+#include "libslic3r/PrintConfig.hpp"
 
 class Button;