diff --git a/Tetrahedral_remeshing/include/CGAL/Tetrahedral_remeshing/internal/collapse_short_edges.h b/Tetrahedral_remeshing/include/CGAL/Tetrahedral_remeshing/internal/collapse_short_edges.h
index cf32ad35d32..80811f3da2a 100644
--- a/Tetrahedral_remeshing/include/CGAL/Tetrahedral_remeshing/internal/collapse_short_edges.h
+++ b/Tetrahedral_remeshing/include/CGAL/Tetrahedral_remeshing/internal/collapse_short_edges.h
@@ -1307,6 +1307,11 @@ void collapse_short_edges(C3T3& c3t3,
     CGAL_expensive_assertion(!!is_too_short(e, bd, sizing, c3t3, cell_selector));
     CGAL_expensive_assertion(can_be_collapsed(e, c3t3, protect_boundaries, cell_selector));
 
+#ifdef CGAL_TETRAHEDRAL_REMESHING_DEBUG
+    const auto p1 = e.first->vertex(e.second)->point();
+    const auto p2 = e.first->vertex(e.third)->point();
+#endif
+
     Vertex_handle vh = collapse_edge(e, c3t3, sizing,
                                      protect_boundaries, cell_selector,
                                      short_edges,
diff --git a/Tetrahedral_remeshing/include/CGAL/Tetrahedral_remeshing/internal/tetrahedral_remeshing_helpers.h b/Tetrahedral_remeshing/include/CGAL/Tetrahedral_remeshing/internal/tetrahedral_remeshing_helpers.h
index eff21600a62..39b0c7cdba8 100644
--- a/Tetrahedral_remeshing/include/CGAL/Tetrahedral_remeshing/internal/tetrahedral_remeshing_helpers.h
+++ b/Tetrahedral_remeshing/include/CGAL/Tetrahedral_remeshing/internal/tetrahedral_remeshing_helpers.h
@@ -519,6 +519,12 @@ std::pair<Vh, Vh> make_vertex_pair(const Vh v1, const Vh v2)
   else         return std::make_pair(v1, v2);
 }
 
+template<typename Vh>
+std::pair<Vh, Vh> make_vertex_pair(const std::pair<Vh, Vh>& vp)
+{
+  return make_vertex_pair(vp.first, vp.second);
+}
+
 template<typename Edge>
 auto make_vertex_pair(const Edge& e)
 {
@@ -1877,8 +1883,9 @@ void dump_edges(const Bimap& edges, const char* filename)
 
   for(typename Bimap::left_const_reference it : edges.left)
   {
-    ofs << "2 " << point(it.first.first->point())
-        << " " << point(it.first.second->point()) << std::endl;
+    const auto vp = make_vertex_pair(it.first);
+    ofs << "2 " << point(vp.first->point())
+        << " " << point(vp.second->point()) << std::endl;
   }
   ofs.close();
 }