diff --git a/tutorials/cfdemSolverRhoPimple/ErgunTestMPI/CFD/constant/couplingProperties b/tutorials/cfdemSolverRhoPimple/ErgunTestMPI/CFD/constant/couplingProperties
index debd08bf..2e09e57e 100644
--- a/tutorials/cfdemSolverRhoPimple/ErgunTestMPI/CFD/constant/couplingProperties
+++ b/tutorials/cfdemSolverRhoPimple/ErgunTestMPI/CFD/constant/couplingProperties
@@ -72,7 +72,10 @@ energyModels
     heatTransferGunn
 );
 
-chemistryModel off;
+chemistryModels
+(
+    off
+);
 
 thermCondModel SyamlalThermCond;
 
diff --git a/tutorials/cfdemSolverRhoPimple/FinesColumn/CFD/constant/couplingProperties b/tutorials/cfdemSolverRhoPimple/FinesColumn/CFD/constant/couplingProperties
index 60023537..6569a646 100755
--- a/tutorials/cfdemSolverRhoPimple/FinesColumn/CFD/constant/couplingProperties
+++ b/tutorials/cfdemSolverRhoPimple/FinesColumn/CFD/constant/couplingProperties
@@ -80,7 +80,10 @@ energyModels
 
 thermCondModel SyamlalThermCond;
 
-chemistryModel off;
+chemistryModels
+(
+    off
+);
 
 turbulenceModelType "turbulenceProperties";