diff --git a/benchmarks/extrude/afpm.geo b/benchmarks/extrude/afpm.geo
index b88bdb474b53f208a89438dbad2e697834f6ab68..3975ad62014049da3307490ba16c3f2b0c6da9c6 100644
--- a/benchmarks/extrude/afpm.geo
+++ b/benchmarks/extrude/afpm.geo
@@ -33,3 +33,5 @@ For i In {1:70}
 EndFor
 
 Coherence;
+Geometry.OldNewReg=1;
+Geometry.AutoCoherence=1;