diff --git a/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/constant/polyMesh/boundary b/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/constant/polyMesh/boundary
index 181e6fc81..085fdf333 100644
--- a/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/constant/polyMesh/boundary
+++ b/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/constant/polyMesh/boundary
@@ -10,40 +10,37 @@ FoamFile
     version     2.0;
     format      ascii;
     class       polyBoundaryMesh;
-    location    "constant/polyMesh";
+    location    "1e-05/polyMesh";
     object      boundary;
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
 4
 (
-space
-{
-    type wall;
-    nFaces 160;
-    startFace 27280;
-}
-
-freeSurfaceShadow
-{
-    type wall;
-    nFaces 160;
-    startFace 27440;
-}
-
-freeSurface
-{
-    type wall;
-    nFaces 160;
-    startFace 27600;
-}
-
-frontAndBackPlanes
-{
-    type empty;
-    nFaces 27520;
-    startFace 27760;
-}
+    space
+    {
+        type            wall;
+        nFaces          160;
+        startFace       27280;
+    }
+    freeSurfaceShadow
+    {
+        type            wall;
+        nFaces          160;
+        startFace       27440;
+    }
+    freeSurface
+    {
+        type            wall;
+        nFaces          160;
+        startFace       27600;
+    }
+    frontAndBackPlanes
+    {
+        type            empty;
+        nFaces          27520;
+        startFace       27760;
+    }
 )
 
 // ************************************************************************* //
diff --git a/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/constant/polyMesh/faces.gz b/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/constant/polyMesh/faces.gz
index 041c7dd62..035445fb0 100644
Binary files a/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/constant/polyMesh/faces.gz and b/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/constant/polyMesh/faces.gz differ
diff --git a/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/constant/polyMesh/neighbour.gz b/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/constant/polyMesh/neighbour.gz
index 1755ce009..338dea0b1 100644
Binary files a/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/constant/polyMesh/neighbour.gz and b/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/constant/polyMesh/neighbour.gz differ
diff --git a/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/constant/polyMesh/owner.gz b/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/constant/polyMesh/owner.gz
index c22b050a1..c576284aa 100644
Binary files a/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/constant/polyMesh/owner.gz and b/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/constant/polyMesh/owner.gz differ
diff --git a/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/constant/polyMesh/points.gz b/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/constant/polyMesh/points.gz
index abdbff5e7..e637f9d59 100644
Binary files a/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/constant/polyMesh/points.gz and b/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/constant/polyMesh/points.gz differ
diff --git a/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/system/controlDict b/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/system/controlDict
index daadc364d..f12c98a44 100644
--- a/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/system/controlDict
+++ b/tutorials/surfaceTracking/bubbleInterTrackFoam/bubble2D_r0.75mm/system/controlDict
@@ -33,7 +33,7 @@ writeInterval       0.001;
 
 cycleWrite          0;
 
-writeFormat         binary;
+writeFormat         ascii;
 
 writeCompression    compressed;