diff --git a/libsrc/meshing/delaunay.cpp b/libsrc/meshing/delaunay.cpp
index adc64712..cd675ef3 100644
--- a/libsrc/meshing/delaunay.cpp
+++ b/libsrc/meshing/delaunay.cpp
@@ -772,6 +772,7 @@ namespace netgen
       // improve delaunay - mesh by swapping !!!!
 
       Mesh tempmesh;
+      tempmesh.GetMemoryTracer().SetName("delaunay-tempmesh");
 
       for (auto & meshpoint : mesh.Points())
         tempmesh.AddPoint (meshpoint);