diff --git a/benchmarks/extrude/sphere_discrete.geo b/benchmarks/extrude/sphere_discrete.geo
index 5417d009c3d609f0b4bb6544ec77829d58466b2a..2dfe0da00adb10d38ef16966ad66058206e95826 100644
--- a/benchmarks/extrude/sphere_discrete.geo
+++ b/benchmarks/extrude/sphere_discrete.geo
@@ -1,14 +1,13 @@
-//Merge "sphere_boundary_layer.msh";
+General.MeshDiscrete=1 ;
 Merge "sphere.stl";
-CreateTopology;
 
-out[] = Extrude{
- Surface{1}; Layers{5, 0.1}; Recombine;
-};
+//out[] = Extrude{
+// Surface{1}; Layers{5, 0.1}; Recombine;
+//};
 
 //the volume of the boundary layer is created
 //with the extrusion
 
 //here we create the volume of the inside of the sphere
-Surface Loop(100)={1};
-Volume(101)={100};
\ No newline at end of file
+//Surface Loop(100)={1};
+//Volume(101)={100};