diff --git a/src/slic3r/GUI/MeshUtils.cpp b/src/slic3r/GUI/MeshUtils.cpp
index bb93afc8d..1765789b9 100644
--- a/src/slic3r/GUI/MeshUtils.cpp
+++ b/src/slic3r/GUI/MeshUtils.cpp
@@ -315,12 +315,12 @@ void MeshClipper::recalculate_triangles()
 
             // To prevent overflow after scaling, downscale the input if needed:
             double extra_scale = 1.;
-            int32_t limit = int32_t(std::min(std::numeric_limits<coord_t>::max() / (2. * scale_x), std::numeric_limits<coord_t>::max() / (2. * scale_y)));
+            int32_t limit = int32_t(std::min(std::numeric_limits<coord_t>::max() / (2. * std::max(1., scale_x)), std::numeric_limits<coord_t>::max() / (2. * std::max(1., scale_y))));
             int32_t max_coord = 0;
             for (const Point& pt : exp.contour)
                 max_coord = std::max(max_coord, std::max(std::abs(pt.x()), std::abs(pt.y())));
             if (max_coord + m_contour_width >= limit)
-                extra_scale = 0.9 * double(limit) / max_coord;            
+                extra_scale = 0.9 * double(limit) / max_coord;
 
             ExPolygon exp_copy = exp;
             if (extra_scale != 1.)