diff --git a/tutorials/multiphase/compressibleTwoPhaseEulerFoam/RAS/fluidisedBed/0/k.air b/tutorials/multiphase/compressibleTwoPhaseEulerFoam/RAS/fluidisedBed/0/k.air
index 6d823d5328..307a3495c9 100644
--- a/tutorials/multiphase/compressibleTwoPhaseEulerFoam/RAS/fluidisedBed/0/k.air
+++ b/tutorials/multiphase/compressibleTwoPhaseEulerFoam/RAS/fluidisedBed/0/k.air
@@ -37,6 +37,7 @@ boundaryField
     walls
     {
         type               kqRWallFunction;
+        value              $internalField;
     }
 
     frontAndBackPlanes
diff --git a/tutorials/multiphase/compressibleTwoPhaseEulerFoam/laminar/fluidisedBed/0/k.air b/tutorials/multiphase/compressibleTwoPhaseEulerFoam/laminar/fluidisedBed/0/k.air
index 6d823d5328..307a3495c9 100644
--- a/tutorials/multiphase/compressibleTwoPhaseEulerFoam/laminar/fluidisedBed/0/k.air
+++ b/tutorials/multiphase/compressibleTwoPhaseEulerFoam/laminar/fluidisedBed/0/k.air
@@ -37,6 +37,7 @@ boundaryField
     walls
     {
         type               kqRWallFunction;
+        value              $internalField;
     }
 
     frontAndBackPlanes