diff --git a/src/finiteVolume/fvMesh/extendedStencil/cellToCell/fullStencils/cellToCellStencil.H b/src/finiteVolume/fvMesh/extendedStencil/cellToCell/fullStencils/cellToCellStencil.H
index 7fa48ccecb174de777cb03c66693317336c7303e..f8b94c8d5f24f0b59b6c8c064a3a41a96653aa9f 100644
--- a/src/finiteVolume/fvMesh/extendedStencil/cellToCell/fullStencils/cellToCellStencil.H
+++ b/src/finiteVolume/fvMesh/extendedStencil/cellToCell/fullStencils/cellToCellStencil.H
@@ -95,7 +95,7 @@ protected:
         class unionEqOp
         {
             public:
-            void operator()( labelList& x, const labelList& y ) const;
+            void operator()(labelList& x, const labelList& y) const;
         };
 
         //- Collect cell neighbours of faces in global numbering