Use available method to align Coupler2D origin to grid

1 files changed, 1 insertions, 1 deletions

diff --git a/src/refinement/coupler2D.h b/src/refinement/coupler2D.h
index 60a5cab..db8ac15 100644
--- a/src/refinement/coupler2D.h
+++ b/src/refinement/coupler2D.h
@@ -39,7 +39,7 @@ protected:
   const int  _fineSize;
   const bool _vertical;
 
-  Vector<T,2> _physOrigin;
+  const Vector<T,2> _physOrigin;
 
   const Vector<int,3>& getFineLatticeR(int y) const;
   const Vector<int,3>& getCoarseLatticeR(int y) const;