diff --git a/src/libslic3r/LayerRegion.cpp b/src/libslic3r/LayerRegion.cpp
index d3febc141f2..50ea3cf9586 100644
--- a/src/libslic3r/LayerRegion.cpp
+++ b/src/libslic3r/LayerRegion.cpp
@@ -296,8 +296,8 @@ static void perimeter_texture_accumulate_path_image_weights_for_path(const Extru
 
     const double pitch_scaled = std::max(1.0, double(scale_(context.high_resolution_texture_sampling ? 0.08 : 0.16)));
     for (size_t idx = 1; idx < path.polyline.points.size(); ++idx) {
-        const Point &a = path.polyline.points[idx - 1];
-        const Point &b = path.polyline.points[idx];
+        const Point3 &a = path.polyline.points[idx - 1];
+        const Point3 &b = path.polyline.points[idx];
         const double dx = double(b.x()) - double(a.x());
         const double dy = double(b.y()) - double(a.y());
         const double len = std::hypot(dx, dy);
@@ -1957,8 +1957,8 @@ static bool perimeter_texture_split_path_by_recolor_masks(const ExtrusionPath
     bool saw_override = false;
 
     for (size_t idx = 1; idx < path.polyline.points.size(); ++idx) {
-        const Point &a = path.polyline.points[idx - 1];
-        const Point &b = path.polyline.points[idx];
+        const Point a = path.polyline.points[idx - 1].to_point();
+        const Point b = path.polyline.points[idx].to_point();
         if (a == b)
             continue;
         saw_segment = true;
diff --git a/src/libslic3r/Model.cpp b/src/libslic3r/Model.cpp
index 7636d941b7e..a87770883ff 100644
--- a/src/libslic3r/Model.cpp
+++ b/src/libslic3r/Model.cpp
@@ -2745,7 +2745,7 @@ static void invalidate_translations(ModelObject* object, const ModelInstance* sr
     }
 }
 
-void ModelObject::split(ModelObjectPtrs* new_objects)
+void ModelObject::split(ModelObjectPtrs* new_objects, bool remap_paint)
 {
     std::vector<TriangleMesh> all_meshes;
     std::vector<Transform3d> all_transfos;
@@ -3437,7 +3437,7 @@ std::string ModelVolume::type_to_string(const ModelVolumeType t)
 // Split this volume, append the result to the object owning this volume.
 // Return the number of volumes created from this one.
 // This is useful to assign different materials to different volumes of an object.
-size_t ModelVolume::split(unsigned int max_extruders)
+size_t ModelVolume::split(unsigned int max_extruders, bool remap_paint)
 {
     std::vector<TriangleMesh> meshes = this->mesh().split();
     if (meshes.size() <= 1)
diff --git a/src/libslic3r/Model.hpp b/src/libslic3r/Model.hpp
index b5a3aa5eb34..008cd9578cf 100644
--- a/src/libslic3r/Model.hpp
+++ b/src/libslic3r/Model.hpp
@@ -520,7 +520,7 @@ public:
     void delete_connectors();
     void clone_for_cut(ModelObject **obj);
 
-    void split(ModelObjectPtrs*new_objects, bool remap_paint);
+    void split(ModelObjectPtrs*new_objects, bool remap_paint = false);
     void merge();
 
     // BBS: Boolean opts - Musang King
@@ -1163,7 +1163,7 @@ public:
     // Split this volume, append the result to the object owning this volume.
     // Return the number of volumes created from this one.
     // This is useful to assign different materials to different volumes of an object.
-    size_t              split(unsigned int max_extruders, bool remap_paint);
+    size_t              split(unsigned int max_extruders, bool remap_paint = false);
     void                translate(double x, double y, double z) { translate(Vec3d(x, y, z)); }
     void                translate(const Vec3d& displacement);
     void                scale(const Vec3d& scaling_factors);