diff --git a/src/scgenerator/physics/pulse.py b/src/scgenerator/physics/pulse.py
index 1538b1e..aa37c29 100644
--- a/src/scgenerator/physics/pulse.py
+++ b/src/scgenerator/physics/pulse.py
@@ -239,7 +239,7 @@ def setup_custom_field(params: BareParams) -> bool:
 
     if params.prev_data_dir is not None:
         spec = io.load_last_spectrum(Path(params.prev_data_dir))[1]
-        field_0 = np.fft.ifft(spec) * np.sqrt(params.input_transmission)
+        field_0 = np.fft.ifft(spec)
     elif params.field_file is not None:
         field_data = np.load(params.field_file)
         field_interp = interp1d(
@@ -258,6 +258,9 @@ def setup_custom_field(params: BareParams) -> bool:
     else:
         did_set = False
 
+    if did_set:
+        field_0 = field_0 * np.sqrt(params.input_transmission)
+
     return did_set, width, peak_power, energy, field_0
 
 
diff --git a/src/scgenerator/scripts/__init__.py b/src/scgenerator/scripts/__init__.py
index 4d211f6..41e8456 100644
--- a/src/scgenerator/scripts/__init__.py
+++ b/src/scgenerator/scripts/__init__.py
@@ -39,6 +39,7 @@ def plot_all(sim_dir: Path, limits: list[str]):
                 file_name=p.parent
                 / f"{pretty_format_from_file_name(p.name)} {left} {right} {unit}",
             )
+        plt.close("all")
 
 
 def plot_init_field_spec(