diff --git a/src/libslic3r/SLA/ConcaveHull.cpp b/src/libslic3r/SLA/ConcaveHull.cpp
index cfce36d16..08a2ff676 100644
--- a/src/libslic3r/SLA/ConcaveHull.cpp
+++ b/src/libslic3r/SLA/ConcaveHull.cpp
@@ -133,7 +133,8 @@ ExPolygons offset_waffle_style_ex(const ConcaveHull &hull, coord_t delta)
 
 Polygons offset_waffle_style(const ConcaveHull &hull, coord_t delta)
 {
-    Polygons res = closing(hull.polygons(), 2 * delta, delta, ClipperLib::jtRound);
+    auto arc_tolerance = scaled<double>(0.01);
+    Polygons res = closing(hull.polygons(), 2 * delta, delta, ClipperLib::jtRound, arc_tolerance);
 
     auto it = std::remove_if(res.begin(), res.end(), [](Polygon &p) { return p.is_clockwise(); });
     res.erase(it, res.end());