diff --git a/tutorials/heatTransfer/buoyantSimpleFoam/circuitBoardCooling/system/changeDictionaryDict.baffleRegion b/tutorials/heatTransfer/buoyantSimpleFoam/circuitBoardCooling/system/changeDictionaryDict.baffleRegion
index b1f309e995..d31d4d8771 100644
--- a/tutorials/heatTransfer/buoyantSimpleFoam/circuitBoardCooling/system/changeDictionaryDict.baffleRegion
+++ b/tutorials/heatTransfer/buoyantSimpleFoam/circuitBoardCooling/system/changeDictionaryDict.baffleRegion
@@ -98,7 +98,6 @@ dictionaryReplacement
                 kappa               fluidThermo;
                 kappaName           none;
 
-
                 // Thermo baffle model
                 thermoBaffleModel   thermoBaffle2D;
                 regionName          baffleRegion;
@@ -108,7 +107,6 @@ dictionaryReplacement
                 {
                 }
 
-
                 // Solid thermo
                 thermoType
                 {
@@ -121,7 +119,6 @@ dictionaryReplacement
                     energy          sensibleEnthalpy;
                 }
 
-
                 mixture
                 {
                     specie
@@ -144,6 +141,13 @@ dictionaryReplacement
                     }
                 }
 
+                radiation
+                {
+                    radiationModel  opaqueSolid;
+                    absorptionEmissionModel none;
+                    scatterModel    none;
+                }
+
                 value               uniform 300;
             }
         }