diff --git a/src/mesh/snappyHexMesh/meshRefinement/meshRefinementProblemCells.C b/src/mesh/snappyHexMesh/meshRefinement/meshRefinementProblemCells.C
index d85faeb02c..f4731f43d7 100644
--- a/src/mesh/snappyHexMesh/meshRefinement/meshRefinementProblemCells.C
+++ b/src/mesh/snappyHexMesh/meshRefinement/meshRefinementProblemCells.C
@@ -818,7 +818,7 @@ Foam::labelList Foam::meshRefinement::markFacesOnProblemCells
                 }
             }
         }
-        else if (nBoundaryAnchors == 7)
+        else if (nBoundaryAnchors == 7 && nonBoundaryAnchor != -1)
         {
             // Mark the cell. Store the (single!) non-boundary anchor point.
             hasSevenBoundaryAnchorPoints.set(celli, 1u);
diff --git a/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappyRefineDriver.C b/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappyRefineDriver.C
index 9ff590253e..20ce39f904 100644
--- a/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappyRefineDriver.C
+++ b/src/mesh/snappyHexMesh/snappyHexMeshDriver/snappyRefineDriver.C
@@ -2278,14 +2278,12 @@ void Foam::snappyRefineDriver::doRefine
         10      // maxIter
     );
 
-    // Directional refinement
-//XXXXX
+    // Directional shell refinement
     directionalShellRefine
     (
         refineParams,
         100    // maxIter
     );
-//XXXXX
 
     // Introduce baffles at surface intersections. Remove sections unreachable
     // from keepPoint.