diff --git a/tutorials/mesh/snappyHexMesh/flange/system/snappyHexMeshDict b/tutorials/mesh/snappyHexMesh/flange/system/snappyHexMeshDict
index feb4f2f871..66499680bd 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-30;
+    minTetQuality 1e-9;
 
     //- Minimum face area. Set to <0 to disable.
     minArea -1;