diff --git a/solvers_post/LagrangianCMCFoam/InjNewFG.H b/solvers_post/LagrangianCMCFoam/InjNewFG.H
index d3d2c07..5734810 100644
--- a/solvers_post/LagrangianCMCFoam/InjNewFG.H
+++ b/solvers_post/LagrangianCMCFoam/InjNewFG.H
@@ -1,7 +1,7 @@
 if(fvc::domainIntegrate(F[group]*rho).value() >= fuelperFG) 
 {
 	NewFGindex = NewFGindex + 1;
-	if(group < (nf-1.5))
+	if(group < (nf-1))
 	{
 		group++;
         	forAll(mf.boundaryFieldRef(), patchi)
@@ -17,7 +17,7 @@ if(fvc::domainIntegrate(F[group]*rho).value() >= fuelperFG)
         	}
 		eventRecordFile<<runTime.value()<<tab<<"New flame group is injected"<<tab<<group<<endl;		
 	}
-	else if(group > (nf-1.5))
+	else if(group >= (nf-1))
 	{
 		//retain group, BC
 		forAll(rho, celli)
diff --git a/solvers_post/LagrangianCMCFoam/readCMCProperties.H b/solvers_post/LagrangianCMCFoam/readCMCProperties.H
index 782664b..7c3e54b 100644
--- a/solvers_post/LagrangianCMCFoam/readCMCProperties.H
+++ b/solvers_post/LagrangianCMCFoam/readCMCProperties.H
@@ -81,7 +81,7 @@ word fuelName(CMCdict.lookup("fuel_name"));
 word CMCresults_Time(CMCdict.lookup("CMCresults_Time"));
 scalar previousnf(readScalar(CMCdict.lookup("previousnf")));
 scalar fuelperFG(readScalar(CMCdict.lookup("fuelperFG")));
-scalar nf(readScalar(CMCdict.lookup("nf")));
+label nf(readLabel(CMCdict.lookup("nf")));
 
 scalar etamax( readScalar(CMCdict.lookup("etamax")) );
 scalarField etaValue(etamax+1, 0.0);
@@ -149,7 +149,7 @@ else if(uni_eta == false)
 }
 
 scalarField ChemDeltaT( (etamax+1)*nf, 0.0000001); //initial chemical time step;
-scalar group(0); //flame group number to add evaporation source (default = 0), Flamegroup.H line# 29
+label group(0); //flame group number to add evaporation source (default = 0), Flamegroup.H line# 29
 
 
 //Peta field