diff --git a/src/libslic3r/Geometry/VoronoiUtilsCgal.cpp b/src/libslic3r/Geometry/VoronoiUtilsCgal.cpp
index 062a3b39793..e76decf5f1a 100644
--- a/src/libslic3r/Geometry/VoronoiUtilsCgal.cpp
+++ b/src/libslic3r/Geometry/VoronoiUtilsCgal.cpp
@@ -1,3 +1,4 @@
+#include <boost/next_prior.hpp>
 #include <CGAL/Exact_predicates_exact_constructions_kernel.h>
 #include <CGAL/Arr_segment_traits_2.h>
 #include <CGAL/Surface_sweep_2_algorithms.h>
@@ -100,4 +101,4 @@ bool VoronoiUtilsCgal::is_voronoi_diagram_planar_angle(const VoronoiDiagram &vor
 }
 
 
-} // namespace Slic3r::Geometry
\ No newline at end of file
+} // namespace Slic3r::Geometry