diff --git a/src/libslic3r/PrintObject.cpp b/src/libslic3r/PrintObject.cpp index bfeb827da..4ddb36b9e 100644 --- a/src/libslic3r/PrintObject.cpp +++ b/src/libslic3r/PrintObject.cpp @@ -1660,7 +1660,7 @@ void PrintObject::bridge_over_infill() // generate sparse infill polylines from lower layers to get anchorable polylines Polylines lower_layer_polylines = po->get_layer(lidx)->lower_layer - ? po->get_layer(lidx)->lower_layer->generate_sparse_infill_polylines_for_anchoring(); + ? po->get_layer(lidx)->lower_layer->generate_sparse_infill_polylines_for_anchoring() : Polylines(); for (std::pair candidates : bridging_surface_candidates) {