diff --git a/src/finiteVolume/cfdTools/general/fvSource/fvSpecificSourceTemplates.C b/src/finiteVolume/cfdTools/general/fvSource/fvSpecificSourceTemplates.C
index 5ff9977640..c04a407e7a 100644
--- a/src/finiteVolume/cfdTools/general/fvSource/fvSpecificSourceTemplates.C
+++ b/src/finiteVolume/cfdTools/general/fvSource/fvSpecificSourceTemplates.C
@@ -63,7 +63,7 @@ void Foam::fvSpecificSource::addSupType
             );
 
         // Apply the source
-        eqn += tS()*sourceCoeff + fvm::Sp(tS()*internalCoeff, eqn().psi());
+        eqn += tS()*sourceCoeff + fvm::Sp(tS()*internalCoeff, eqn.psi());
     }
     else
     {
diff --git a/src/fvModels/derived/massTransfer/massTransferBaseTemplates.C b/src/fvModels/derived/massTransfer/massTransferBaseTemplates.C
index 74d2ac078d..ff9ac97604 100644
--- a/src/fvModels/derived/massTransfer/massTransferBaseTemplates.C
+++ b/src/fvModels/derived/massTransfer/massTransferBaseTemplates.C
@@ -123,7 +123,7 @@ void Foam::fv::massTransferBase::addSupType
         {
             fvMatrix<Type> rhoEqn(eqn.psi(), dimDensity*eqn.dimensions());
 
-            fvSpecificSource::addSup(alphaOrRho, field, rhoEqn);
+            fvSpecificSource::addSupType(alphaOrRho, field, rhoEqn);
 
             eqn += rhoEqn/rho(i);
         }
@@ -197,7 +197,7 @@ void Foam::fv::massTransferBase::addSupType
         // require a field source specification.
         else
         {
-            fvSpecificSource::addSup(alpha, rho, field, eqn);
+            fvSpecificSource::addSupType(alpha, rho, field, eqn);
         }
     }
     // Not recognised. Fail.