diff --git a/scripts/xyz_grid.py b/scripts/xyz_grid.py
index 7821cc655..ee30747ca 100644
--- a/scripts/xyz_grid.py
+++ b/scripts/xyz_grid.py
@@ -144,11 +144,18 @@ def apply_face_restore(p, opt, x):
     p.restore_faces = is_active
 
 
-def apply_override(field):
+def apply_override(field, boolean: bool = False):
     def fun(p, x, xs):
+        if boolean:
+            x = True if x == "True" else False
         p.override_settings[field] = x
     return fun
 
+
+def boolean_choice():
+    return ["True", "False"]
+
+
 def format_value_add_label(p, opt, x):
     if type(x) == float:
         x = round(x, 8)
@@ -235,6 +242,7 @@ axis_options = [
     AxisOption("Face restore", str, apply_face_restore, format_value=format_value),
     AxisOption("Token merging ratio", float, apply_override('token_merging_ratio')),
     AxisOption("Token merging ratio high-res", float, apply_override('token_merging_ratio_hr')),
+    AxisOption("Always discard next-to-last sigma", str, apply_override('always_discard_next_to_last_sigma', boolean=True), choices=boolean_choice),
 ]