diff --git a/xs/src/libslic3r/ExtrusionEntity.cpp b/xs/src/libslic3r/ExtrusionEntity.cpp
index 2b635fc936..376a417c85 100644
--- a/xs/src/libslic3r/ExtrusionEntity.cpp
+++ b/xs/src/libslic3r/ExtrusionEntity.cpp
@@ -164,8 +164,10 @@ ExtrusionLoop::split_at(const Point &point)
     }
     
     // now split path_idx in two parts
-    ExtrusionPath p1(this->paths[path_idx].role), p2(this->paths[path_idx].role);
-    this->paths[path_idx].polyline.split_at(p, &p1.polyline, &p2.polyline);
+    const ExtrusionPath &path = this->paths[path_idx];
+    ExtrusionPath p1(path.role, path.mm3_per_mm, path.width, path.height);
+    ExtrusionPath p2(path.role, path.mm3_per_mm, path.width, path.height);
+    path.polyline.split_at(p, &p1.polyline, &p2.polyline);
     
     if (this->paths.size() == 1) {
         if (! p1.polyline.is_valid())