diff --git a/Grid/cartesian/Cartesian_base.h b/Grid/cartesian/Cartesian_base.h
index bb3c3b3f..66400787 100644
--- a/Grid/cartesian/Cartesian_base.h
+++ b/Grid/cartesian/Cartesian_base.h
@@ -82,6 +82,7 @@ public:
   bool _isCheckerBoarded; 
   int        LocallyPeriodic;
   Coordinate _checker_dim_mask;
+  int              _checker_dim;
 
 public:
 
@@ -89,7 +90,7 @@ public:
   // Checkerboarding interface is virtual and overridden by 
   // GridCartesian / GridRedBlackCartesian
   ////////////////////////////////////////////////////////////////
-  virtual int CheckerBoarded(int dim)=0;
+  virtual int CheckerBoarded(int dim) =0;
   virtual int CheckerBoard(const Coordinate &site)=0;
   virtual int CheckerBoardDestination(int source_cb,int shift,int dim)=0;
   virtual int CheckerBoardShift(int source_cb,int dim,int shift,int osite)=0;
diff --git a/Grid/cartesian/Cartesian_full.h b/Grid/cartesian/Cartesian_full.h
index 31a67bf0..1d883dc7 100644
--- a/Grid/cartesian/Cartesian_full.h
+++ b/Grid/cartesian/Cartesian_full.h
@@ -38,7 +38,7 @@ class GridCartesian: public GridBase {
 
 public:
   int dummy;
-  Coordinate _checker_dim_mask;
+  //  Coordinate _checker_dim_mask;
   virtual int  CheckerBoardFromOindexTable (int Oindex) {
     return 0;
   }
@@ -46,7 +46,7 @@ public:
   {
     return 0;
   }
-  virtual int CheckerBoarded(int dim){
+  virtual int CheckerBoarded(int dim) {
     return 0;
   }
   virtual int CheckerBoard(const Coordinate &site){
@@ -106,6 +106,7 @@ public:
     _rdimensions.resize(_ndimension);
     _simd_layout.resize(_ndimension);
     _checker_dim_mask.resize(_ndimension);;
+    _checker_dim = -1;
     _lstart.resize(_ndimension);
     _lend.resize(_ndimension);