diff --git a/src/thermophysicalModels/radiation/radiationModel/radiationModel/radiationModel.C b/src/thermophysicalModels/radiation/radiationModel/radiationModel/radiationModel.C
index 131221c308..92c6397fb5 100644
--- a/src/thermophysicalModels/radiation/radiationModel/radiationModel/radiationModel.C
+++ b/src/thermophysicalModels/radiation/radiationModel/radiationModel/radiationModel.C
@@ -51,7 +51,7 @@ Foam::radiation::radiationModel::radiationModel(const volScalarField& T)
         (
             "radiationProperties",
             T.time().constant(),
-            T.mesh().objectRegistry::db(),
+            T.mesh(),
             IOobject::MUST_READ,
             IOobject::NO_WRITE
         )
@@ -79,7 +79,7 @@ Foam::radiation::radiationModel::radiationModel
         (
             "radiationProperties",
             T.time().constant(),
-            T.mesh().objectRegistry::db(),
+            T.mesh(),
             IOobject::MUST_READ,
             IOobject::NO_WRITE
         )