diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 1f5c2b6e7..97e4af218 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -48,6 +48,7 @@
 #include "libslic3r/SLAPrint.hpp"
 #include "libslic3r/Utils.hpp"
 #include "libslic3r/PresetBundle.hpp"
+#include "libslic3r/ClipperUtils.hpp"
 
 #include "GUI.hpp"
 #include "GUI_App.hpp"