diff --git a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/0.org/G b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/0.org/G
index 0b83afbf39..993b5237c3 100644
--- a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/0.org/G
+++ b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/0.org/G
@@ -25,6 +25,7 @@ boundaryField
     {
         type            MarshakRadiation;
         T               T;
+        emissivityMode  lookup;
         emissivity      1;
         value           uniform 0;
         refValue        uniform 0;
@@ -35,6 +36,7 @@ boundaryField
     {
         type            MarshakRadiation;
         T               T;
+        emissivityMode  lookup;
         emissivity      1;
         value           uniform 0;
         refValue        uniform 0;
diff --git a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/0/G b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/0/G
index 0b83afbf39..993b5237c3 100644
--- a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/0/G
+++ b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/0/G
@@ -25,6 +25,7 @@ boundaryField
     {
         type            MarshakRadiation;
         T               T;
+        emissivityMode  lookup;
         emissivity      1;
         value           uniform 0;
         refValue        uniform 0;
@@ -35,6 +36,7 @@ boundaryField
     {
         type            MarshakRadiation;
         T               T;
+        emissivityMode  lookup;
         emissivity      1;
         value           uniform 0;
         refValue        uniform 0;