diff --git a/tutorials/cfdemSolverRhoPimpleChem/Shrinking_particle_model/CFD/constant/couplingProperties b/tutorials/cfdemSolverRhoPimpleChem/Shrinking_particle_model/CFD/constant/couplingProperties
index 72419f41..4f442629 100644
--- a/tutorials/cfdemSolverRhoPimpleChem/Shrinking_particle_model/CFD/constant/couplingProperties
+++ b/tutorials/cfdemSolverRhoPimpleChem/Shrinking_particle_model/CFD/constant/couplingProperties
@@ -106,6 +106,8 @@ speciesProps
         voidfractionFieldName   "voidfraction";
         totalMoleFieldName      "N";
         partMoleName            "partN";
+        pressureFieldName       "p";
+        partPName               "partP";
 }
 
 SyamlalThermCondProps
diff --git a/tutorials/cfdemSolverRhoPimpleChem/Shrinking_particle_model/CFD/system/controlDict b/tutorials/cfdemSolverRhoPimpleChem/Shrinking_particle_model/CFD/system/controlDict
index 6e380e13..bed969d9 100644
--- a/tutorials/cfdemSolverRhoPimpleChem/Shrinking_particle_model/CFD/system/controlDict
+++ b/tutorials/cfdemSolverRhoPimpleChem/Shrinking_particle_model/CFD/system/controlDict
@@ -23,7 +23,7 @@ startTime       0;
 
 stopAt          endTime;
 
-endTime         20;
+endTime         1;
 
 deltaT          0.0001;
 
diff --git a/tutorials/cfdemSolverRhoPimpleChem/Shrinking_particle_model/DEM/in.liggghts_run b/tutorials/cfdemSolverRhoPimpleChem/Shrinking_particle_model/DEM/in.liggghts_run
index af3c6915..d0891ac8 100644
--- a/tutorials/cfdemSolverRhoPimpleChem/Shrinking_particle_model/DEM/in.liggghts_run
+++ b/tutorials/cfdemSolverRhoPimpleChem/Shrinking_particle_model/DEM/in.liggghts_run
@@ -51,7 +51,7 @@ fix     cfd3 all couple/cfd/chemistry n_species 3 species_names O2 CO2 N2
 
 # this should shrink the particle
 #fix    cfd4 all chem/shrink speciesA O2 molMassA 31.99 speciesC CO2 molMassC 44.01 molMassB 12.01 k 2.5e3 rdef 0.2
-#fix     cfd4 all chem/shrink speciesA O2 molMassA 31.99 speciesC CO2 molMassC 44.01 molMassB 12.01 k 2.5e3 rmin 0.005
+fix     cfd4 all chem/shrink speciesA O2 molMassA 31.99 speciesC CO2 molMassC 44.01 molMassB 12.01 k 2.5e3 rmin 0.005
 
 # apply nve integration to all particles that are inserted as single particles
 fix     integr all nve/sphere