diff --git a/src/libslic3r/Fill/FillFloatingConcentric.cpp b/src/libslic3r/Fill/FillFloatingConcentric.cpp
index 7bf0784e9..16875a7f1 100644
--- a/src/libslic3r/Fill/FillFloatingConcentric.cpp
+++ b/src/libslic3r/Fill/FillFloatingConcentric.cpp
@@ -5,6 +5,7 @@
 #include "../Surface.hpp"
 #include "../VariableWidth.hpp"
 #include "../format.hpp"
+#include "../EdgeGrid.hpp"
 #include "FillFloatingConcentric.hpp"
 #include <boost/log/trivial.hpp>
 #include <libslic3r/ShortestPath.hpp>
@@ -686,7 +687,19 @@ FloatingThickPolylines FillFloatingConcentric::resplit_order_loops(Point curr_po
         if (all_extrusions[idx]->empty())
             continue;
         ThickPolyline thick_polyline = Arachne::to_thick_polyline(*all_extrusions[idx]);
-        FloatingThickPolyline thick_line_with_floating = detect_floating_line(thick_polyline, floating_areas, default_width, !print_object_config->detect_floating_vertical_shell.value);
+        bool is_self_intersect = false;
+        if(print_object_config->detect_floating_vertical_shell.value)
+        {
+            Polyline polyline = thick_polyline;
+            auto bbox_line = get_extents(polyline);
+
+            EdgeGrid::Grid grid;
+            grid.set_bbox(bbox_line);
+            grid.create({ polyline.points }, scaled<coord_t>(10.), !all_extrusions[idx]->is_closed);
+            if (grid.has_intersecting_edges())
+                is_self_intersect = true;
+        }
+        FloatingThickPolyline thick_line_with_floating = detect_floating_line(thick_polyline, floating_areas, default_width, !print_object_config->detect_floating_vertical_shell.value || is_self_intersect);
         smooth_floating_line(thick_line_with_floating, scale_(2), scale_(2));
         int split_idx = 0;
         if (!floating_areas.empty() && all_extrusions[idx]->is_closed && thick_line_with_floating.points.front() == thick_line_with_floating.points.back()) {