2 files changed, 2 insertions, 5 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;
diff --git a/src/refinement/coupler2D.hh b/src/refinement/coupler2D.hh
index 3bd2b2f..1726df4 100644
--- a/src/refinement/coupler2D.hh
+++ b/src/refinement/coupler2D.hh
@@ -62,6 +62,7 @@ Coupler2D<T,DESCRIPTOR>::Coupler2D(Grid2D<T,DESCRIPTOR>& coarse, Grid2D<T,DESCRI
   _coarseSize(floor(extend.norm() / coarse.getConverter().getPhysDeltaX() + 0.5)+1),
   _fineSize(2*_coarseSize-1),
   _vertical(util::nearZero(extend[0])),
+  _physOrigin(_coarse.alignOriginToGrid(origin)),
   _coarseLatticeR(_coarseSize),
   _fineLatticeR(_fineSize)
 {
@@ -70,10 +71,6 @@ Coupler2D<T,DESCRIPTOR>::Coupler2D(Grid2D<T,DESCRIPTOR>& coarse, Grid2D<T,DESCRI
   const auto& coarseGeometry = _coarse.getCuboidGeometry();
   const auto& fineGeometry   = _fine.getCuboidGeometry();
 
-  Vector<int,3> tmpLatticeOrigin{};
-  coarseGeometry.getLatticeR(origin, tmpLatticeOrigin);
-  _physOrigin = coarseGeometry.getPhysR(tmpLatticeOrigin.toStdVector());
-
   const T deltaX = _fine.getConverter().getPhysDeltaX();
   const Vector<T,2> stepPhysR = _vertical ? Vector<T,2> {0, deltaX} : Vector<T,2> {deltaX, 0};