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path: root/Source/FieldSolver/SpectralSolver/SpectralAlgorithms/SpectralBaseAlgorithm.H
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-rw-r--r--Source/FieldSolver/SpectralSolver/SpectralAlgorithms/SpectralBaseAlgorithm.H2
1 files changed, 1 insertions, 1 deletions
diff --git a/Source/FieldSolver/SpectralSolver/SpectralAlgorithms/SpectralBaseAlgorithm.H b/Source/FieldSolver/SpectralSolver/SpectralAlgorithms/SpectralBaseAlgorithm.H
index 4a35871cd..ad9f9925e 100644
--- a/Source/FieldSolver/SpectralSolver/SpectralAlgorithms/SpectralBaseAlgorithm.H
+++ b/Source/FieldSolver/SpectralSolver/SpectralAlgorithms/SpectralBaseAlgorithm.H
@@ -102,7 +102,7 @@ class SpectralBaseAlgorithm
// Modified finite-order vectors
KVectorComponent modified_kx_vec;
-#if (AMREX_SPACEDIM==3)
+#if defined(WARPX_DIM_3D)
KVectorComponent modified_ky_vec;
#endif
KVectorComponent modified_kz_vec;