diff --git a/src/libslic3r/SupportSpotsGenerator.cpp b/src/libslic3r/SupportSpotsGenerator.cpp
index 0a6ab5e9d..697518bd0 100644
--- a/src/libslic3r/SupportSpotsGenerator.cpp
+++ b/src/libslic3r/SupportSpotsGenerator.cpp
@@ -365,6 +365,7 @@ std::vector<ExtrusionLine> to_short_lines(const ExtrusionEntity *e, float length
     Polyline pl = e->as_polyline();
     std::vector<ExtrusionLine> lines;
     lines.reserve(pl.points.size() * 1.5f);
+    lines.emplace_back(unscaled(pl.points[0]).cast<float>(), unscaled(pl.points[0]).cast<float>(), e);
     for (int point_idx = 0; point_idx < int(pl.points.size() - 1); ++point_idx) {
         Vec2f start        = unscaled(pl.points[point_idx]).cast<float>();
         Vec2f next         = unscaled(pl.points[point_idx + 1]).cast<float>();
@@ -415,6 +416,9 @@ void check_extrusion_entity_stability(const ExtrusionEntity *entity,
 
         for (size_t line_idx = 0; line_idx < lines.size(); ++line_idx) {
             ExtrusionLine &current_line = lines[line_idx];
+            if (line_idx + 1 == lines.size() && current_line.b != lines.begin()->a) {
+                bridging_acc.add_distance(params.bridge_distance + 1.0f);
+            }
             float curr_angle = 0;
             if (line_idx + 1 < lines.size()) {
                 const Vec2f v1 = current_line.b - current_line.a;
diff --git a/src/slic3r/GUI/ConfigManipulation.cpp b/src/slic3r/GUI/ConfigManipulation.cpp
index 9df53caeb..c571d1d2a 100644
--- a/src/slic3r/GUI/ConfigManipulation.cpp
+++ b/src/slic3r/GUI/ConfigManipulation.cpp
@@ -282,7 +282,7 @@ void ConfigManipulation::toggle_print_fff_options(DynamicPrintConfig* config)
                     "dont_support_bridges", "support_material_extrusion_width", "support_material_contact_distance",
                     "support_material_xy_spacing" })
         toggle_field(el, have_support_material);
-//    toggle_field("support_material_threshold", have_support_material_auto);
+    toggle_field("support_material_threshold", have_support_material_auto);
     toggle_field("support_material_bottom_contact_distance", have_support_material && ! have_support_soluble);
     toggle_field("support_material_closing_radius", have_support_material && support_material_style == smsSnug);