diff --git a/applications/solvers/heatTransfer/chtMultiRegionFoam/coupledDerivedFvPatchFields/turbulentTemperatureRadCoupledMixed/turbulentTemperatureRadCoupledMixedFvPatchScalarField.C b/applications/solvers/heatTransfer/chtMultiRegionFoam/coupledDerivedFvPatchFields/turbulentTemperatureRadCoupledMixed/turbulentTemperatureRadCoupledMixedFvPatchScalarField.C
index e9bfaf8dfd..a137719a44 100644
--- a/applications/solvers/heatTransfer/chtMultiRegionFoam/coupledDerivedFvPatchFields/turbulentTemperatureRadCoupledMixed/turbulentTemperatureRadCoupledMixedFvPatchScalarField.C
+++ b/applications/solvers/heatTransfer/chtMultiRegionFoam/coupledDerivedFvPatchFields/turbulentTemperatureRadCoupledMixed/turbulentTemperatureRadCoupledMixedFvPatchScalarField.C
@@ -191,15 +191,7 @@ void turbulentTemperatureRadCoupledMixedFvPatchScalarField::updateCoeffs()
     if (QrNbrName_ != "none")
     {
         QrNbr = nbrPatch.lookupPatchField<volScalarField, scalar>(QrNbrName_);
-        mapDistribute::distribute
-        (
-            Pstream::defaultCommsType,
-            distMap.schedule(),
-            distMap.constructSize(),
-            distMap.subMap(),           // what to send
-            distMap.constructMap(),     // what to receive
-            QrNbr
-        );
+        mpp.map().distribute(QrNbr);
     }
 
     scalarField alpha(KDeltaNbr - (Qr + QrNbr)/Tp);