diff --git a/tutorials/incompressible/simpleFoam/motorBike/system/snappyHexMeshDict b/tutorials/incompressible/simpleFoam/motorBike/system/snappyHexMeshDict
index 26aa5dc9a8..5d6247054d 100644
--- a/tutorials/incompressible/simpleFoam/motorBike/system/snappyHexMeshDict
+++ b/tutorials/incompressible/simpleFoam/motorBike/system/snappyHexMeshDict
@@ -299,7 +299,7 @@ meshQualityControls
     //     <0 = inside out tet,
     //      0 = flat tet
     //      1 = regular tet
-    minTetQuality 1e-9;
+    minTetQuality 1e-30;
 
     //- Minimum face area. Set to <0 to disable.
     minArea -1;
diff --git a/tutorials/mesh/snappyHexMesh/flange/system/snappyHexMeshDict b/tutorials/mesh/snappyHexMesh/flange/system/snappyHexMeshDict
index 46980c8d2f..d9872f22ea 100644
--- a/tutorials/mesh/snappyHexMesh/flange/system/snappyHexMeshDict
+++ b/tutorials/mesh/snappyHexMesh/flange/system/snappyHexMeshDict
@@ -292,7 +292,7 @@ meshQualityControls
     //     <0 = inside out tet,
     //      0 = flat tet
     //      1 = regular tet
-    minTetQuality 1e-9;
+    minTetQuality 1e-30;
 
     //- Minimum face area. Set to <0 to disable.
     minArea -1;
diff --git a/tutorials/multiphase/LTSInterFoam/wigleyHull/system/snappyHexMeshDict b/tutorials/multiphase/LTSInterFoam/wigleyHull/system/snappyHexMeshDict
index b9d31b6eec..b23ae3ad74 100644
--- a/tutorials/multiphase/LTSInterFoam/wigleyHull/system/snappyHexMeshDict
+++ b/tutorials/multiphase/LTSInterFoam/wigleyHull/system/snappyHexMeshDict
@@ -320,7 +320,7 @@ meshQualityControls
     //     <0 = inside out tet,
     //      0 = flat tet
     //      1 = regular tet
-    minTetQuality 1e-9;
+    minTetQuality 1e-30;
 
     //- Minimum face area. Set to <0 to disable.
     minArea -1;