diff --git a/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/run.config b/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/run.config
index cb21decd..17e0cac4 100644
--- a/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/run.config
+++ b/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/run.config
@@ -4,7 +4,8 @@
     {
       "name" : "liggghts-init",
       "input_script" : "DEM/in.liggghts_init",
-      "type" : "liggghts/serial"
+      "type" : "liggghts/mpi",
+      "nprocs" : 2
     },
     {
       "name" : "cfdemrun",
diff --git a/tutorials/cfdemSolverRhoPimpleChem/Spreitzer_FluidBedCases/Spreitzer_R2/DEM/in.liggghts_init b/tutorials/cfdemSolverRhoPimpleChem/Spreitzer_FluidBedCases/Spreitzer_R2/DEM/in.liggghts_init
index 4182355e..0c617054 100644
--- a/tutorials/cfdemSolverRhoPimpleChem/Spreitzer_FluidBedCases/Spreitzer_R2/DEM/in.liggghts_init
+++ b/tutorials/cfdemSolverRhoPimpleChem/Spreitzer_FluidBedCases/Spreitzer_R2/DEM/in.liggghts_init
@@ -10,7 +10,7 @@ boundary        f f f
 newton          off
 
 units           si
-processors      4 1 2
+processors      * 1 2
 
 region          reg block 0.0 0.06 0.0 0.15 0.0 0.06 units box
 create_box      1 reg
diff --git a/tutorials/cfdemSolverRhoPimpleChem/Spreitzer_FluidBedCases/Spreitzer_R2/run.config b/tutorials/cfdemSolverRhoPimpleChem/Spreitzer_FluidBedCases/Spreitzer_R2/run.config
index 8fbfcef3..74ab523b 100644
--- a/tutorials/cfdemSolverRhoPimpleChem/Spreitzer_FluidBedCases/Spreitzer_R2/run.config
+++ b/tutorials/cfdemSolverRhoPimpleChem/Spreitzer_FluidBedCases/Spreitzer_R2/run.config
@@ -4,7 +4,8 @@
     {
       "name" : "liggghts-init",
       "input_script" : "DEM/in.liggghts_init",
-      "type" : "liggghts/serial"
+      "type" : "liggghts/mpi",
+      "nprocs" : 4
     },
     {
       "name" : "cfdemrun",