diff --git a/src/libslic3r/Print.cpp b/src/libslic3r/Print.cpp
index daf6b08e63..de7e40cda4 100644
--- a/src/libslic3r/Print.cpp
+++ b/src/libslic3r/Print.cpp
@@ -460,14 +460,17 @@ StringObjectException Print::sequential_print_clearance_valid(const Print &print
             // Now we check that no instance of convex_hull intersects any of the previously checked object instances.
             for (const PrintInstance &instance : print_object->instances()) {
                 Polygon convex_hull_no_offset = convex_hull0, convex_hull;
-                convex_hull = offset(convex_hull_no_offset,
+                auto tmp = offset(convex_hull_no_offset,
                         // Shrink the extruder_clearance_radius a tiny bit, so that if the object arrangement algorithm placed the objects
                         // exactly by satisfying the extruder_clearance_radius, this test will not trigger collision.
                         float(scale_(0.5 * print.config().extruder_clearance_max_radius.value - EPSILON)),
-                        jtRound, scale_(0.1)).front();
-                // instance.shift is a position of a centered object, while model object may not be centered.
-                // Convert the shift from the PrintObject's coordinates into ModelObject's coordinates by removing the centering offset.
-                convex_hull.translate(instance.shift - print_object->center_offset());
+                        jtRound, scale_(0.1));
+                if (!tmp.empty()) { // tmp may be empty due to clipper's bug, see STUDIO-2452
+                    convex_hull = tmp.front();
+                    // instance.shift is a position of a centered object, while model object may not be centered.
+                    // Convert the shift from the PrintObject's coordinates into ModelObject's coordinates by removing the centering offset.
+                    convex_hull.translate(instance.shift - print_object->center_offset());
+                }
                 convex_hull_no_offset.translate(instance.shift - print_object->center_offset());
                 //juedge the exclude area
                 if (!intersection(exclude_polys, convex_hull_no_offset).empty()) {