1 files changed, 2 insertions, 2 deletions
diff --git a/Source/Parallelization/WarpXRegrid.cpp b/Source/Parallelization/WarpXRegrid.cpp
index 358316fc9..d890046da 100644
--- a/Source/Parallelization/WarpXRegrid.cpp
+++ b/Source/Parallelization/WarpXRegrid.cpp
@@ -233,7 +233,7 @@ WarpX::RemakeLevel (int lev, Real /*time*/, const BoxArray& ba, const Distributi
                 auto dx = CellSize(lev);
 
 #   ifdef WARPX_DIM_RZ
-                if ( fft_periodic_single_box == false ) {
+                if ( !fft_periodic_single_box ) {
                     realspace_ba.grow(1, ngEB[1]); // add guard cells only in z
                 }
                 AllocLevelSpectralSolverRZ(spectral_solver_fp,
@@ -242,7 +242,7 @@ WarpX::RemakeLevel (int lev, Real /*time*/, const BoxArray& ba, const Distributi
                                            dm,
                                            dx);
 #   else
-                if ( fft_periodic_single_box == false ) {
+                if ( !fft_periodic_single_box ) {
                     realspace_ba.grow(ngEB);   // add guard cells
                 }
                 bool const pml_flag_false = false;