diff --git a/tutorials/lagrangian/reactingParcelFilmFoam/hotBoxes/constant/surfaceFilmProperties b/tutorials/lagrangian/reactingParcelFilmFoam/hotBoxes/constant/surfaceFilmProperties
index 7ff3b3bae8..1045475fae 100644
--- a/tutorials/lagrangian/reactingParcelFilmFoam/hotBoxes/constant/surfaceFilmProperties
+++ b/tutorials/lagrangian/reactingParcelFilmFoam/hotBoxes/constant/surfaceFilmProperties
@@ -94,6 +94,7 @@ thermoSingleLayerCoeffs
 
     standardPhaseChangeCoeffs
     {
+        Tb              374.8;
         deltaMin        1e-8;
         L               1.0;
     }