diff --git a/benchmarks/3d/CubeAniso.geo b/benchmarks/3d/CubeAniso.geo
index ea3963d7f85ea3fd47a49fa34e19b171d6249c16..03ca0392a9425701c119d1b492bc456d9ed01690 100644
--- a/benchmarks/3d/CubeAniso.geo
+++ b/benchmarks/3d/CubeAniso.geo
@@ -50,7 +50,7 @@ Field[2] = MathEvalAniso;
 Field[2].m11 = "1./(0.1)^2";
 Field[2].m12 = "0";
 Field[2].m13 = "0";
-Field[2].m22 = "y+1/(0.005)^2";
+Field[2].m22 = "y+1/(0.001)^2";
 Field[2].m23 = "0";
 Field[2].m33 = "1/(0.1)^2";
 Background Field = 2;