diff --git a/tutorials/cfdemSolverRhoPimpleChem/PolydisperseFluidizedBed/R2_FB/CFD/constant/couplingProperties b/tutorials/cfdemSolverRhoPimpleChem/PolydisperseFluidizedBed/R2_FB/CFD/constant/couplingProperties
index b4205bea..2532620b 100644
--- a/tutorials/cfdemSolverRhoPimpleChem/PolydisperseFluidizedBed/R2_FB/CFD/constant/couplingProperties
+++ b/tutorials/cfdemSolverRhoPimpleChem/PolydisperseFluidizedBed/R2_FB/CFD/constant/couplingProperties
@@ -101,20 +101,20 @@ heatTransferGunnProps
 
 speciesProps
 {
-	ChemistryFile 		"$casePath/CFD/constant/foam.inp";
-	Nevery			1;
-	verbose			false;
-	interpolation 		false;
+    ChemistryFile   "$FOAM_CASE/constant/foam.inp";
+    Nevery          1;
+    verbose         false;
+    interpolation   false;
 }
 
 diffusionCoefficientsProps
 {
-	verbose			false;   
-	interpolation 		false;     
-	ChemistryFile 		"$casePath/CFD/constant/foam.inp";
-        diffusantGasNames       (    CO
-                                     H2
-                                ); 
+    verbose         false;
+    interpolation   false;
+    ChemistryFile   "$FOAM_CASE/constant/foam.inp";
+    diffusantGasNames       (    CO
+                                 H2
+                            ); 
 }
 
 massTransferCoeffProps
diff --git a/tutorials/cfdemSolverRhoPimpleChem/PolydisperseFluidizedBed/R2_FB/CFD/constant/thermophysicalProperties b/tutorials/cfdemSolverRhoPimpleChem/PolydisperseFluidizedBed/R2_FB/CFD/constant/thermophysicalProperties
index bb830547..be7afe88 100644
--- a/tutorials/cfdemSolverRhoPimpleChem/PolydisperseFluidizedBed/R2_FB/CFD/constant/thermophysicalProperties
+++ b/tutorials/cfdemSolverRhoPimpleChem/PolydisperseFluidizedBed/R2_FB/CFD/constant/thermophysicalProperties
@@ -28,9 +28,9 @@ thermoType
 
 chemistryReader foamChemistryReader;
 
-foamChemistryThermoFile     "$casePath/CFD/constant/foam.dat";
+foamChemistryThermoFile     "$FOAM_CASE/constant/foam.dat";
 
-foamChemistryFile           "$casePath/CFD/constant/foam.inp";
+foamChemistryFile           "$FOAM_CASE/constant/foam.inp";
 
 inertSpecie     N2;
 
diff --git a/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/CFD/constant/couplingProperties b/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/CFD/constant/couplingProperties
index 27a42f75..73976bd9 100644
--- a/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/CFD/constant/couplingProperties
+++ b/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/CFD/constant/couplingProperties
@@ -101,20 +101,20 @@ heatTransferGunnProps
 
 speciesProps
 {
-	ChemistryFile 		"$casePath/CFD/constant/foam.inp";
-	Nevery			1;
-	verbose			false;
-	interpolation 		false;
+    ChemistryFile       "$FOAM_CASE/constant/foam.inp";
+    Nevery              1;
+    verbose             false;
+    interpolation       false;
 }
 
 diffusionCoefficientsProps
 {
-	verbose			false;   
-	interpolation 		false;     
-	ChemistryFile 		"$casePath/CFD/constant/foam.inp";
-        diffusantGasNames       (    CO
-                                     H2
-                                ); 
+    verbose             false;
+    interpolation       false;
+    ChemistryFile       "$FOAM_CASE/constant/foam.inp";
+    diffusantGasNames   (    CO
+                             H2
+                        );
 }
 
 massTransferCoeffProps
diff --git a/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/CFD/constant/thermophysicalProperties b/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/CFD/constant/thermophysicalProperties
index 3208f9d2..84303b95 100644
--- a/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/CFD/constant/thermophysicalProperties
+++ b/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/CFD/constant/thermophysicalProperties
@@ -28,9 +28,9 @@ thermoType
 
 chemistryReader foamChemistryReader;
 
-foamChemistryThermoFile     "$casePath/CFD/constant/foam.dat";
+foamChemistryThermoFile     "$FOAM_CASE/constant/foam.dat";
 
-foamChemistryFile           "$casePath/CFD/constant/foam.inp";
+foamChemistryFile           "$FOAM_CASE/constant/foam.inp";
 
 inertSpecie     N2;