diff --git a/src/overset/cellCellStencil/cellVolumeWeight/cellVolumeWeightCellCellStencil.C b/src/overset/cellCellStencil/cellVolumeWeight/cellVolumeWeightCellCellStencil.C
index 5396d5a727a487c9c0bc8c8ddfc7d1c7700f8b2f..d78ddf3273d47f480dde7c357bccd215d76e7311 100644
--- a/src/overset/cellCellStencil/cellVolumeWeight/cellVolumeWeightCellCellStencil.C
+++ b/src/overset/cellCellStencil/cellVolumeWeight/cellVolumeWeightCellCellStencil.C
@@ -48,7 +48,7 @@ namespace cellCellStencils
 }
 
 Foam::scalar
-Foam::cellCellStencils::cellVolumeWeight::defaultOverlapTolerance_ = 1e-3;
+Foam::cellCellStencils::cellVolumeWeight::defaultOverlapTolerance_ = 1e-9;
 
 
 // * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //