diff --git a/Tests/Data/ThermoHydroMechanics/HeatingHomogeneousDomain/hex_THM.prj b/Tests/Data/ThermoHydroMechanics/HeatingHomogeneousDomain/hex_THM.prj
index a19417ed2bb338bae3757c78f5f518dcf41575b3..0036222525f57a40c70ffdfc14541943143764ff 100644
--- a/Tests/Data/ThermoHydroMechanics/HeatingHomogeneousDomain/hex_THM.prj
+++ b/Tests/Data/ThermoHydroMechanics/HeatingHomogeneousDomain/hex_THM.prj
@@ -317,7 +317,7 @@
             <petsc>
                 <parameters>
                     -ksp_type bcgs
-                    -pc_type jacobi
+                    -pc_type gamg
                     -ksp_rtol 1.e-12 -ksp_atol 1.e-14
                     -ksp_max_it 4000
                 </parameters>