diff --git a/src/libslic3r/ShortestPath.hpp b/src/libslic3r/ShortestPath.hpp
index 1b91b59cb..b06d165d3 100644
--- a/src/libslic3r/ShortestPath.hpp
+++ b/src/libslic3r/ShortestPath.hpp
@@ -23,6 +23,7 @@ void                                 reorder_extrusion_paths(std::vector<Extrusi
 void                                 chain_and_reorder_extrusion_paths(std::vector<ExtrusionPath> &extrusion_paths, const Point *start_near = nullptr);
 
 Polylines 							 chain_polylines(Polylines &&src, const Point *start_near = nullptr);
+inline Polylines 					 chain_polylines(const Polylines& src, const Point* start_near = nullptr) { Polylines tmp(src); return chain_polylines(std::move(tmp)); }
 
 std::vector<ClipperLib::PolyNode*>	 chain_clipper_polynodes(const Points &points, const std::vector<ClipperLib::PolyNode*> &items);