diff --git a/struct_ls/coarsen.c b/struct_ls/coarsen.c
index 1e5fe3cd2..dc2569d40 100644
--- a/struct_ls/coarsen.c
+++ b/struct_ls/coarsen.c
@@ -778,7 +778,6 @@ hypre_StructCoarsen( hypre_StructGrid  *fgrid,
    MPI_Comm          comm  = hypre_StructGridComm(fgrid);
    int               dim   = hypre_StructGridDim(fgrid);
    hypre_BoxArray   *boxes;
-   hypre_Index       periodic;
 
    hypre_Box        *box;
                     
@@ -801,7 +800,7 @@ hypre_StructCoarsen( hypre_StructGrid  *fgrid,
    /* set boxes */
    hypre_StructGridSetBoxes(cgrid, boxes);
 
-   hypre_StructGridSetPeriodic(cgrid, periodic);
+   hypre_StructGridSetPeriodic(cgrid, hypre_StructGridPeriodic(fgrid));
 
    hypre_StructGridAssemble(cgrid);