diff --git a/Tests/Data/ThermoRichardsFlow/SimplifiedMechanics/TRuni_unsaturated.prj b/Tests/Data/ThermoRichardsFlow/SimplifiedMechanics/TRuni_unsaturated.prj
index db05817fd5619f0fe31a6bedb6bf40625cf2e531..7d342020fae03acdd0a59e3c2e17a088b34c608d 100644
--- a/Tests/Data/ThermoRichardsFlow/SimplifiedMechanics/TRuni_unsaturated.prj
+++ b/Tests/Data/ThermoRichardsFlow/SimplifiedMechanics/TRuni_unsaturated.prj
@@ -318,7 +318,7 @@
             <petsc>
                 <parameters>-ksp_type bcgs
                     -pc_type jacobi
-                    -ksp_rtol 1.e-24 -ksp_atol 1.e-24
+                    -ksp_rtol 1.e-14 -ksp_atol 1.e-14
                     -ksp_max_it 4000
                 </parameters>
             </petsc>