1 files changed, 7 insertions, 0 deletions
diff --git a/Source/FieldSolver/WarpXPushFieldsEM.cpp b/Source/FieldSolver/WarpXPushFieldsEM.cpp
index 8bce9f3d2..6c14757ea 100644
--- a/Source/FieldSolver/WarpXPushFieldsEM.cpp
+++ b/Source/FieldSolver/WarpXPushFieldsEM.cpp
@@ -70,6 +70,13 @@ namespace {
         solver.ForwardTransform(*current[2], Idx::Jz);
         solver.ForwardTransform(*rho, Idx::rho_old, 0);
         solver.ForwardTransform(*rho, Idx::rho_new, 1);
+#ifdef WARPX_DIM_RZ
+        if (WarpX::use_kspace_filter) {
+            solver.ApplyFilter(Idx::rho_old);
+            solver.ApplyFilter(Idx::rho_new);
+            solver.ApplyFilter(Idx::Jx, Idx::Jy, Idx::Jz);
+        }
+#endif
         // Advance fields in spectral space
         solver.pushSpectralFields();
         // Perform backward Fourier Transform