diff --git a/Tests/Data/Parabolic/TwoPhaseFlowPrho/MoMaS/Twophase_MoMaS_quad.prj b/Tests/Data/Parabolic/TwoPhaseFlowPrho/MoMaS/Twophase_MoMaS_quad.prj
index dca7413e46136d08f573d586bbdeb6d7ae51dae1..ab17962a7141c808e95a2b1cc52bb742fecb4e81 100644
--- a/Tests/Data/Parabolic/TwoPhaseFlowPrho/MoMaS/Twophase_MoMaS_quad.prj
+++ b/Tests/Data/Parabolic/TwoPhaseFlowPrho/MoMaS/Twophase_MoMaS_quad.prj
@@ -185,7 +185,7 @@
         </processes>
         <output>
             <type>VTK</type>
-            <prefix>twophaseflow_pcs_{:process_id}</prefix>
+            <prefix>twophaseflow</prefix>
             <timesteps>
                 <pair>
                     <repeat> 100000 </repeat>
diff --git a/Tests/Data/Parabolic/TwoPhaseFlowPrho/MoMaS/Twophase_MoMaS_quad_adaptive_dt.prj b/Tests/Data/Parabolic/TwoPhaseFlowPrho/MoMaS/Twophase_MoMaS_quad_adaptive_dt.prj
index 27f4c6bd246dfa7c345c2fd699d5aafb16be3588..da5c7c8889c33caa60d010c69c3db1dfdf63ec23 100644
--- a/Tests/Data/Parabolic/TwoPhaseFlowPrho/MoMaS/Twophase_MoMaS_quad_adaptive_dt.prj
+++ b/Tests/Data/Parabolic/TwoPhaseFlowPrho/MoMaS/Twophase_MoMaS_quad_adaptive_dt.prj
@@ -177,7 +177,7 @@
         </processes>
         <output>
             <type>VTK</type>
-            <prefix>twophaseflow_adaptive_dt_pcs_{:process_id}</prefix>
+            <prefix>twophaseflow_adaptive_dt</prefix>
             <timesteps>
                 <pair>
                     <repeat> 1 </repeat>
diff --git a/Tests/Data/Parabolic/TwoPhaseFlowPrho/MoMaS/Twophase_MoMaS_small.prj b/Tests/Data/Parabolic/TwoPhaseFlowPrho/MoMaS/Twophase_MoMaS_small.prj
index c56824451914f48f23f5907545a7b7242ab287e8..c183a225ef6d5587c28173512643d9e5ecabcc45 100644
--- a/Tests/Data/Parabolic/TwoPhaseFlowPrho/MoMaS/Twophase_MoMaS_small.prj
+++ b/Tests/Data/Parabolic/TwoPhaseFlowPrho/MoMaS/Twophase_MoMaS_small.prj
@@ -177,7 +177,7 @@
         </processes>
         <output>
             <type>VTK</type>
-            <prefix>twophaseflow_small_pcs_{:process_id}</prefix>
+            <prefix>twophaseflow_small</prefix>
             <timesteps>
                 <pair>
                     <repeat> 1 </repeat>