diff --git a/Examples/Modules/RigidInjection/inputs_2d_BoostedFrame b/Examples/Modules/RigidInjection/inputs_2d_BoostedFrame
index fabddbc9312..0713f0ef34d 100644
--- a/Examples/Modules/RigidInjection/inputs_2d_BoostedFrame
+++ b/Examples/Modules/RigidInjection/inputs_2d_BoostedFrame
@@ -3,9 +3,6 @@
 warpx.zmax_plasma_to_compute_max_step = 50.e-6
 warpx.gamma_boost = 5.
 warpx.boost_direction = z
-warpx.do_back_transformed_diagnostics = 1
-warpx.num_snapshots_lab = 2
-warpx.dt_snapshots_lab = 1.8679589331096515e-13
 
 amr.n_cell =  256 512 # 32 64
 amr.max_grid_size = 512
@@ -51,6 +48,27 @@ beam.projected = true
 beam.focused = false
 
 # Diagnostics
-diagnostics.diags_names = diag1
+diagnostics.diags_names = diag1 btd_openpmd btd_pltfile
 diag1.intervals = 10000
 diag1.diag_type = Full
+
+btd_openpmd.diag_type = BackTransformed
+btd_openpmd.do_back_transformed_fields = 1
+btd_openpmd.num_snapshots_lab = 2
+btd_openpmd.dt_snapshots_lab = 1.8679589331096515e-13
+btd_openpmd.fields_to_plot = Ex Ey Ez Bx By Bz jx jy jz rho
+btd_openpmd.format = openpmd
+btd_openpmd.buffer_size = 32
+
+btd_pltfile.diag_type = BackTransformed
+btd_pltfile.do_back_transformed_fields = 1
+btd_pltfile.num_snapshots_lab = 2
+btd_pltfile.dt_snapshots_lab = 1.8679589331096515e-13
+btd_pltfile.fields_to_plot = Ex Ey Ez Bx By Bz jx jy jz rho
+btd_pltfile.format = openpmd
+btd_pltfile.buffer_size = 32
+
+# old BTD diagnostics
+warpx.do_back_transformed_diagnostics = 1
+warpx.num_snapshots_lab = 2
+warpx.dt_snapshots_lab = 1.8679589331096515e-13
diff --git a/Examples/Modules/boosted_diags/inputs_3d_slice b/Examples/Modules/boosted_diags/inputs_3d_slice
index 196c1564168..d7c8b457f60 100644
--- a/Examples/Modules/boosted_diags/inputs_3d_slice
+++ b/Examples/Modules/boosted_diags/inputs_3d_slice
@@ -36,10 +36,6 @@ warpx.serialize_ics = 1
 
 warpx.gamma_boost = 10.
 warpx.boost_direction = z
-warpx.do_back_transformed_diagnostics = 1
-warpx.num_snapshots_lab = 4
-warpx.dz_snapshots_lab = 0.001
-warpx.back_transformed_diag_fields= Ex Ey Ez By rho
 
 particles.species_names = electrons ions beam
 particles.use_fdtd_nci_corr = 1
@@ -116,6 +112,28 @@ slice.dt_slice_snapshots_lab = 3.3356409519815207e-12
 slice.particle_slice_width_lab = 2.e-6
 
 # Diagnostics
-diagnostics.diags_names = diag1
+diagnostics.diags_names = diag1 btd_openpmd btd_pltfile
 diag1.intervals = 10000
 diag1.diag_type = Full
+
+btd_openpmd.diag_type = BackTransformed
+btd_openpmd.do_back_transformed_fields = 1
+btd_openpmd.num_snapshots_lab = 4
+btd_openpmd.dz_snapshots_lab = 0.001
+btd_openpmd.fields_to_plot = Ex Ey Ez Bx By Bz jx jy jz rho
+btd_openpmd.format = openpmd
+btd_openpmd.buffer_size = 32
+
+btd_pltfile.diag_type = BackTransformed
+btd_pltfile.do_back_transformed_fields = 1
+btd_pltfile.num_snapshots_lab = 4
+btd_pltfile.dz_snapshots_lab = 0.001
+btd_pltfile.fields_to_plot = Ex Ey Ez Bx By Bz jx jy jz rho
+btd_pltfile.format = openpmd
+btd_pltfile.buffer_size = 32
+
+# old BTD diagnostics
+warpx.do_back_transformed_diagnostics = 1
+warpx.num_snapshots_lab = 4
+warpx.dz_snapshots_lab = 0.001
+warpx.back_transformed_diag_fields= Ex Ey Ez By rho
diff --git a/Regression/WarpX-tests.ini b/Regression/WarpX-tests.ini
index d0b79ca3ff7..22e012993a6 100644
--- a/Regression/WarpX-tests.ini
+++ b/Regression/WarpX-tests.ini
@@ -194,7 +194,7 @@ buildDir = .
 inputFile = Examples/Modules/RigidInjection/inputs_2d_BoostedFrame
 runtime_params =
 dim = 2
-addToCompileString =
+addToCompileString = USE_OPENPMD=TRUE
 restartTest = 0
 useMPI = 1
 numprocs = 2
@@ -213,7 +213,7 @@ buildDir = .
 inputFile = Examples/Modules/boosted_diags/inputs_3d_slice
 runtime_params =
 dim = 3
-addToCompileString =
+addToCompileString = USE_OPENPMD=TRUE
 restartTest = 0
 useMPI = 1
 numprocs = 2