diff --git a/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/T b/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/T
index 561ca236be3bbed252ef63b29c24063a3bea4c6b..76e54ad382f43e125823fe484246da452995bbbd 100644
--- a/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/T
+++ b/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/T
@@ -29,7 +29,7 @@ boundaryField
     {
         type            zeroGradient;
     }
-    wall
+    walls
     {
         type            zeroGradient;
     }
diff --git a/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/U b/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/U
index e9b532f37361e311feb19f07d7173d8ed7d6b847..47440fb13c2895cc6e5b111aa82c272220c6b014 100644
--- a/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/U
+++ b/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/U
@@ -30,7 +30,7 @@ boundaryField
         type            fixedValue;
         value           uniform (0 0 0);
     }
-    wall
+    walls
     {
         type            fixedValue;
         value           uniform (0 0 0);
diff --git a/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/alphat b/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/alphat
index dc2104f83c5ce3f90987cad077de403fcd15988e..33ecb425e27cb111e2666f0fa5ffc8d0172cfbcc 100644
--- a/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/alphat
+++ b/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/alphat
@@ -31,7 +31,7 @@ boundaryField
         type            compressible::alphatWallFunction;
         value           uniform 0;
     }
-    wall
+    walls
     {
         type            compressible::alphatWallFunction;
         value           uniform 0;
diff --git a/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/epsilon b/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/epsilon
index e4dccfe57777d09934d55a61d67f94e2917585f0..c6f28faeeaf202cd08718d61816fa127f2566cbd 100644
--- a/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/epsilon
+++ b/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/epsilon
@@ -31,7 +31,7 @@ boundaryField
         type            compressible::epsilonWallFunction;
         value           uniform 200;
     }
-    wall
+    walls
     {
         type            compressible::epsilonWallFunction;
         value           uniform 200;
diff --git a/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/k b/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/k
index 655a91bb45e3aa597a5280c13d1a8262524a0fbd..b92ab42afed9c7b45cf4466d159470b451dc2f00 100644
--- a/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/k
+++ b/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/k
@@ -31,7 +31,7 @@ boundaryField
         type            compressible::kqRWallFunction;
         value           uniform 1;
     }
-    wall
+    walls
     {
         type            compressible::kqRWallFunction;
         value           uniform 1;
diff --git a/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/mut b/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/mut
index 0cea2db2d2e1aa076b70254b0e314b9959cc0d78..6f779fd4165aa85ac33ecc18e39ae1a43a7dda6d 100644
--- a/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/mut
+++ b/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/mut
@@ -31,7 +31,7 @@ boundaryField
         type            mutkWallFunction;
         value           uniform 0;
     }
-    wall
+    walls
     {
         type            mutkWallFunction;
         value           uniform 0;
diff --git a/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/p b/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/p
index 21db04d6109a0348229d019cb3a13d728044c86d..e3bdb75a7e4f8064978713b2ae58d4fde47f382e 100644
--- a/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/p
+++ b/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/0/p
@@ -28,7 +28,7 @@ boundaryField
     {
         type            zeroGradient;
     }
-    wall
+    walls
     {
         type            zeroGradient;
     }
diff --git a/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/constant/polyMesh/blockMeshDict.m4 b/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/constant/polyMesh/blockMeshDict.m4
index 79da11e10ac8f655aa16fc6287c9496875d8672f..09a4670392e59bae438f7ff2a8f5e7a3c1a66a6a 100644
--- a/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/constant/polyMesh/blockMeshDict.m4
+++ b/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/constant/polyMesh/blockMeshDict.m4
@@ -126,7 +126,7 @@ patches
     backQuad(poro1, out1, out2, poro2)
     )
 
-    wall wall
+    wall walls
     (
     // inlet block
     quad2D(in1, join1)
diff --git a/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/constant/polyMesh/boundary b/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/constant/polyMesh/boundary
index 0abd1608aba0dcb6aa66c9488133a3c4b51c7588..7a2d7d0e5e3c3269c847b329574269a0fa857aac 100644
--- a/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/constant/polyMesh/boundary
+++ b/tutorials/compressible/rhoLTSPimpleFoam/angledDuct/constant/polyMesh/boundary
@@ -20,24 +20,28 @@ FoamFile
     front
     {
         type            wall;
+        inGroups        1(wall);
         nFaces          700;
         startFace       63400;
     }
     back
     {
         type            wall;
+        inGroups        1(wall);
         nFaces          700;
         startFace       64100;
     }
-    wall
+    walls
     {
         type            wall;
+        inGroups        1(wall);
         nFaces          1400;
         startFace       64800;
     }
     porosityWall
     {
         type            wall;
+        inGroups        1(wall);
         nFaces          1600;
         startFace       66200;
     }