diff --git a/resources/setting_visibility/expert.cfg b/resources/setting_visibility/expert.cfg
index 92196391ba..101fdc2d63 100644
--- a/resources/setting_visibility/expert.cfg
+++ b/resources/setting_visibility/expert.cfg
@@ -58,6 +58,7 @@ top_bottom_pattern_0
 skin_monotonic
 connect_skin_polygons
 skin_angles
+small_skin_width
 skin_no_small_gaps_heuristic
 skin_outline_count
 ironing_enabled