diff --git a/test/boxmodels/richards/richardslensproblem.hh b/test/boxmodels/richards/richardslensproblem.hh
index aad25e881643ffcfa74b2584d4b6ec6cbbe49707..f4afb6b3b78d8b65fc128fb7d9d52eb0afd552fb 100644
--- a/test/boxmodels/richards/richardslensproblem.hh
+++ b/test/boxmodels/richards/richardslensproblem.hh
@@ -87,6 +87,12 @@ SET_PROP(RichardsLensProblem, SpatialParameters)
 // Enable gravity?
 SET_BOOL_PROP(RichardsLensProblem, EnableGravity, true);
 
+// Enable partial reassembly of the Jacobian matrix?
+SET_BOOL_PROP(RichardsLensProblem, EnablePartialReassemble, true);
+
+// Use forward diffferences to approximate the Jacobian matrix
+SET_BOOL_PROP(RichardsLensProblem, NumericDifferenceMethod, +1);
+
 // Write the intermediate results of the newton method?
 SET_BOOL_PROP(RichardsLensProblem, NewtonWriteConvergence, false);
 }