diff --git a/src/overset/cellCellStencil/cellVolumeWeight/cellVolumeWeightCellCellStencil.C b/src/overset/cellCellStencil/cellVolumeWeight/cellVolumeWeightCellCellStencil.C
index dba9cf6053ce6d917bb858abd2a6b8e987391e0d..404c3b43e1487e2451f4cc3591888543b3dacc60 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  * * * * * * * * * * * //