diff --git a/applications/solvers/heatTransfer/chtMultiRegionFoam/coupledDerivedFvPatchFields/turbulentTemperatureRadCoupledMixed/turbulentTemperatureRadCoupledMixedFvPatchScalarField.C b/applications/solvers/heatTransfer/chtMultiRegionFoam/coupledDerivedFvPatchFields/turbulentTemperatureRadCoupledMixed/turbulentTemperatureRadCoupledMixedFvPatchScalarField.C
index 47dd57d863..e9bfaf8dfd 100644
--- a/applications/solvers/heatTransfer/chtMultiRegionFoam/coupledDerivedFvPatchFields/turbulentTemperatureRadCoupledMixed/turbulentTemperatureRadCoupledMixedFvPatchScalarField.C
+++ b/applications/solvers/heatTransfer/chtMultiRegionFoam/coupledDerivedFvPatchFields/turbulentTemperatureRadCoupledMixed/turbulentTemperatureRadCoupledMixedFvPatchScalarField.C
@@ -191,6 +191,15 @@ 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
+        );
     }
 
     scalarField alpha(KDeltaNbr - (Qr + QrNbr)/Tp);