diff --git a/resources/setting_visibility/advanced.cfg b/resources/setting_visibility/advanced.cfg
index c3451d2c98..0b021acd4c 100644
--- a/resources/setting_visibility/advanced.cfg
+++ b/resources/setting_visibility/advanced.cfg
@@ -23,6 +23,7 @@ wall_x_extruder_nr
 wall_thickness
 wall_line_count
 optimize_wall_printing_order
+group_outer_walls
 xy_offset
 
 [top_bottom]
diff --git a/resources/setting_visibility/expert.cfg b/resources/setting_visibility/expert.cfg
index 5388681e8f..abb4b81dba 100644
--- a/resources/setting_visibility/expert.cfg
+++ b/resources/setting_visibility/expert.cfg
@@ -32,6 +32,7 @@ wall_0_wipe_dist
 wall_0_inset
 wall_transition_filter_distance
 optimize_wall_printing_order
+group_outer_walls
 inset_direction
 alternate_extra_perimeter
 fill_outline_gaps