diff --git a/tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoom/0/k b/tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoom/0/k
index 0eb1a25c30..5b206f8e4e 100644
--- a/tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoom/0/k
+++ b/tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoom/0/k
@@ -23,25 +23,25 @@ boundaryField
 {
     floor
     {
-        type            kQRWallFunction;
+        type            compressible::kQRWallFunction;
         value           uniform 0;
     }
 
     ceiling
     {
-        type            kQRWallFunction;
+        type            compressible::kQRWallFunction;
         value           uniform 0;
     }
 
     fixedWalls
     {
-        type            kQRWallFunction;
+        type            compressible::kQRWallFunction;
         value           uniform 0;
     }
 
     box
     {
-        type            kQRWallFunction;
+        type            compressible::kQRWallFunction;
         value           uniform 0;
     }
 }