1 diff --git a/xs/src/libslic3r/ClipperUtils.hpp b/xs/src/libslic3r/ClipperUtils.hpp
2 index 2ab3ff7..2058f82 100644
3 --- a/xs/src/libslic3r/ClipperUtils.hpp
4 +++ b/xs/src/libslic3r/ClipperUtils.hpp
6 #define slic3r_ClipperUtils_hpp_
9 -#include "clipper.hpp"
10 +#include <polyclipping/clipper.hpp>
11 #include "ExPolygon.hpp"
12 #include "Polygon.hpp"
13 #include "Surface.hpp"
14 diff --git a/xs/src/libslic3r/Geometry.cpp b/xs/src/libslic3r/Geometry.cpp
15 index 8e08336..606a8e7 100644
16 --- a/xs/src/libslic3r/Geometry.cpp
17 +++ b/xs/src/libslic3r/Geometry.cpp
19 #include "Geometry.hpp"
21 #include "PolylineCollection.hpp"
22 -#include "clipper.hpp"
23 +#include <polyclipping/clipper.hpp>
27 diff --git a/xs/xsp/Clipper.xsp b/xs/xsp/Clipper.xsp
28 index 43a30a4..263c808 100644
29 --- a/xs/xsp/Clipper.xsp
30 +++ b/xs/xsp/Clipper.xsp
35 -#include "clipper.hpp"
36 +#include <polyclipping/clipper.hpp>
37 #include "libslic3r/ClipperUtils.hpp"