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-rw-r--r--Source/Parallelization/GuardCellManager.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/Source/Parallelization/GuardCellManager.cpp b/Source/Parallelization/GuardCellManager.cpp
index 92eaa9c85..2fa0c4c4a 100644
--- a/Source/Parallelization/GuardCellManager.cpp
+++ b/Source/Parallelization/GuardCellManager.cpp
@@ -284,7 +284,7 @@ guardCellManager::Init (
// If NCI filter, add guard cells in the z direction
IntVect ng_NCIFilter = IntVect::TheZeroVector();
if (do_fdtd_nci_corr)
- ng_NCIFilter[AMREX_SPACEDIM-1] = NCIGodfreyFilter::m_stencil_width;
+ ng_NCIFilter[WARPX_ZINDEX] = NCIGodfreyFilter::m_stencil_width;
// Note: communications of guard cells for bilinear filter are handled
// separately.
ng_FieldGather = ng_FieldGather_noNCI + ng_NCIFilter;