diff --git a/ProcessLib/ComponentTransport/Tests.cmake b/ProcessLib/ComponentTransport/Tests.cmake
index 6d5de1dd86ad74eb4b13b5e7ae50644b334cb063..795151692288434e75631ae1c1ae9fc9365a4c2d 100644
--- a/ProcessLib/ComponentTransport/Tests.cmake
+++ b/ProcessLib/ComponentTransport/Tests.cmake
@@ -1048,31 +1048,31 @@ AddTest(
     TESTER vtkdiff
     REQUIREMENTS NOT OGS_USE_MPI
     DIFF_DATA
-    calcite_phreeqckernel_pcs_5_ts_42_t_4200.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_42_t_4200.000000.vtu pressure pressure 1e-6 1e-10
-    calcite_phreeqckernel_pcs_5_ts_84_t_8400.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_84_t_8400.000000.vtu pressure pressure 1e-6 1e-10
-    calcite_phreeqckernel_pcs_5_ts_126_t_12600.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_126_t_12600.000000.vtu pressure pressure 1e-6 1e-10
-    calcite_phreeqckernel_pcs_5_ts_168_t_16800.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_168_t_16800.000000.vtu pressure pressure 1e-6 1e-10
-    calcite_phreeqckernel_pcs_5_ts_210_t_21000.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_210_t_21000.000000.vtu pressure pressure 1e-6 1e-10
-    calcite_phreeqckernel_pcs_5_ts_42_t_4200.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_42_t_4200.000000.vtu Ca Ca 1e-10 1e-16
-    calcite_phreeqckernel_pcs_5_ts_84_t_8400.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_84_t_8400.000000.vtu Ca Ca 1e-10 1e-16
-    calcite_phreeqckernel_pcs_5_ts_126_t_12600.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_126_t_12600.000000.vtu Ca Ca 1e-10 1e-16
-    calcite_phreeqckernel_pcs_5_ts_168_t_16800.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_168_t_16800.000000.vtu Ca Ca 1e-10 1e-16
-    calcite_phreeqckernel_pcs_5_ts_210_t_21000.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_210_t_21000.000000.vtu Ca Ca 1e-10 1e-16
-    calcite_phreeqckernel_pcs_5_ts_42_t_4200.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_42_t_4200.000000.vtu Cl Cl 1e-10 1e-16
-    calcite_phreeqckernel_pcs_5_ts_84_t_8400.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_84_t_8400.000000.vtu Cl Cl 1e-10 1e-16
-    calcite_phreeqckernel_pcs_5_ts_126_t_12600.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_126_t_12600.000000.vtu Cl Cl 1e-10 1e-16
-    calcite_phreeqckernel_pcs_5_ts_168_t_16800.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_168_t_16800.000000.vtu Cl Cl 1e-10 1e-16
-    calcite_phreeqckernel_pcs_5_ts_210_t_21000.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_210_t_21000.000000.vtu Cl Cl 1e-10 1e-16
-    calcite_phreeqckernel_pcs_5_ts_42_t_4200.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_42_t_4200.000000.vtu H H 1e-10 1e-16
-    calcite_phreeqckernel_pcs_5_ts_84_t_8400.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_84_t_8400.000000.vtu H H 1e-10 1e-16
-    calcite_phreeqckernel_pcs_5_ts_126_t_12600.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_126_t_12600.000000.vtu H H 1e-10 1e-16
-    calcite_phreeqckernel_pcs_5_ts_168_t_16800.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_168_t_16800.000000.vtu H H 1e-10 1e-16
-    calcite_phreeqckernel_pcs_5_ts_210_t_21000.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_210_t_21000.000000.vtu H H 1e-10 1e-16
-    calcite_phreeqckernel_pcs_5_ts_42_t_4200.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_42_t_4200.000000.vtu Mg Mg 1e-10 1e-16
-    calcite_phreeqckernel_pcs_5_ts_84_t_8400.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_84_t_8400.000000.vtu Mg Mg 1e-10 1e-16
-    calcite_phreeqckernel_pcs_5_ts_126_t_12600.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_126_t_12600.000000.vtu Mg Mg 1e-10 1e-16
-    calcite_phreeqckernel_pcs_5_ts_168_t_16800.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_168_t_16800.000000.vtu Mg Mg 1e-10 1e-16
-    calcite_phreeqckernel_pcs_5_ts_210_t_21000.000000_expected.vtu calcite_phreeqckernel_pcs_5_ts_210_t_21000.000000.vtu Mg Mg 1e-10 1e-16
+    calcite_phreeqckernel_pcs_5_ts_42_t_4200.000000_expected.vtu calcite_phreeqckernel_ts_42_t_4200.000000.vtu pressure pressure 1e-6 1e-10
+    calcite_phreeqckernel_pcs_5_ts_84_t_8400.000000_expected.vtu calcite_phreeqckernel_ts_84_t_8400.000000.vtu pressure pressure 1e-6 1e-10
+    calcite_phreeqckernel_pcs_5_ts_126_t_12600.000000_expected.vtu calcite_phreeqckernel_ts_126_t_12600.000000.vtu pressure pressure 1e-6 1e-10
+    calcite_phreeqckernel_pcs_5_ts_168_t_16800.000000_expected.vtu calcite_phreeqckernel_ts_168_t_16800.000000.vtu pressure pressure 1e-6 1e-10
+    calcite_phreeqckernel_pcs_5_ts_210_t_21000.000000_expected.vtu calcite_phreeqckernel_ts_210_t_21000.000000.vtu pressure pressure 1e-6 1e-10
+    calcite_phreeqckernel_pcs_5_ts_42_t_4200.000000_expected.vtu calcite_phreeqckernel_ts_42_t_4200.000000.vtu Ca Ca 1e-10 1e-16
+    calcite_phreeqckernel_pcs_5_ts_84_t_8400.000000_expected.vtu calcite_phreeqckernel_ts_84_t_8400.000000.vtu Ca Ca 1e-10 1e-16
+    calcite_phreeqckernel_pcs_5_ts_126_t_12600.000000_expected.vtu calcite_phreeqckernel_ts_126_t_12600.000000.vtu Ca Ca 1e-10 1e-16
+    calcite_phreeqckernel_pcs_5_ts_168_t_16800.000000_expected.vtu calcite_phreeqckernel_ts_168_t_16800.000000.vtu Ca Ca 1e-10 1e-16
+    calcite_phreeqckernel_pcs_5_ts_210_t_21000.000000_expected.vtu calcite_phreeqckernel_ts_210_t_21000.000000.vtu Ca Ca 1e-10 1e-16
+    calcite_phreeqckernel_pcs_5_ts_42_t_4200.000000_expected.vtu calcite_phreeqckernel_ts_42_t_4200.000000.vtu Cl Cl 1e-10 1e-16
+    calcite_phreeqckernel_pcs_5_ts_84_t_8400.000000_expected.vtu calcite_phreeqckernel_ts_84_t_8400.000000.vtu Cl Cl 1e-10 1e-16
+    calcite_phreeqckernel_pcs_5_ts_126_t_12600.000000_expected.vtu calcite_phreeqckernel_ts_126_t_12600.000000.vtu Cl Cl 1e-10 1e-16
+    calcite_phreeqckernel_pcs_5_ts_168_t_16800.000000_expected.vtu calcite_phreeqckernel_ts_168_t_16800.000000.vtu Cl Cl 1e-10 1e-16
+    calcite_phreeqckernel_pcs_5_ts_210_t_21000.000000_expected.vtu calcite_phreeqckernel_ts_210_t_21000.000000.vtu Cl Cl 1e-10 1e-16
+    calcite_phreeqckernel_pcs_5_ts_42_t_4200.000000_expected.vtu calcite_phreeqckernel_ts_42_t_4200.000000.vtu H H 1e-10 1e-16
+    calcite_phreeqckernel_pcs_5_ts_84_t_8400.000000_expected.vtu calcite_phreeqckernel_ts_84_t_8400.000000.vtu H H 1e-10 1e-16
+    calcite_phreeqckernel_pcs_5_ts_126_t_12600.000000_expected.vtu calcite_phreeqckernel_ts_126_t_12600.000000.vtu H H 1e-10 1e-16
+    calcite_phreeqckernel_pcs_5_ts_168_t_16800.000000_expected.vtu calcite_phreeqckernel_ts_168_t_16800.000000.vtu H H 1e-10 1e-16
+    calcite_phreeqckernel_pcs_5_ts_210_t_21000.000000_expected.vtu calcite_phreeqckernel_ts_210_t_21000.000000.vtu H H 1e-10 1e-16
+    calcite_phreeqckernel_pcs_5_ts_42_t_4200.000000_expected.vtu calcite_phreeqckernel_ts_42_t_4200.000000.vtu Mg Mg 1e-10 1e-16
+    calcite_phreeqckernel_pcs_5_ts_84_t_8400.000000_expected.vtu calcite_phreeqckernel_ts_84_t_8400.000000.vtu Mg Mg 1e-10 1e-16
+    calcite_phreeqckernel_pcs_5_ts_126_t_12600.000000_expected.vtu calcite_phreeqckernel_ts_126_t_12600.000000.vtu Mg Mg 1e-10 1e-16
+    calcite_phreeqckernel_pcs_5_ts_168_t_16800.000000_expected.vtu calcite_phreeqckernel_ts_168_t_16800.000000.vtu Mg Mg 1e-10 1e-16
+    calcite_phreeqckernel_pcs_5_ts_210_t_21000.000000_expected.vtu calcite_phreeqckernel_ts_210_t_21000.000000.vtu Mg Mg 1e-10 1e-16
     RUNTIME 10
 )
 
diff --git a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/EquilibriumPhase/calcite_phreeqckernel.prj b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/EquilibriumPhase/calcite_phreeqckernel.prj
index 21917db7221edd44e0147ce919768d9a249bf4cc..87da983290aaa8dceaa250222c922178b1b205e0 100644
--- a/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/EquilibriumPhase/calcite_phreeqckernel.prj
+++ b/Tests/Data/Parabolic/ComponentTransport/ReactiveTransport/EquilibriumPhase/calcite_phreeqckernel.prj
@@ -355,7 +355,8 @@
         </processes>
         <output>
             <type>VTK</type>
-            <prefix>calcite_phreeqckernel_pcs_{:process_id}</prefix>
+            <prefix>calcite_phreeqckernel</prefix>
+            <suffix>_ts_{:timestep}_t_{:time}</suffix>
             <timesteps>
                 <pair>
                     <repeat>5</repeat>
@@ -371,7 +372,6 @@
                 <variable>pressure</variable>
                 <variable>darcy_velocity</variable>
             </variables>
-            <suffix>_ts_{:timestep}_t_{:time}</suffix>
         </output>
     </time_loop>
     <chemical_system chemical_solver="PhreeqcKernel">