diff --git a/tests/test_build_sketch.py b/tests/test_build_sketch.py
index cd2ade65..08ac8174 100644
--- a/tests/test_build_sketch.py
+++ b/tests/test_build_sketch.py
@@ -268,7 +268,7 @@ def test_regular_polygon(self):
     def test_regular_polygon_minor_radius(self):
         with BuildSketch() as test:
             r = RegularPolygon(1, 3, False)
-        self.assertEqual(r.radius, 0.5)
+        self.assertAlmostEqual(r.radius, 0.5, 5)
         self.assertEqual(r.side_count, 3)
         self.assertEqual(r.rotation, 0)
         self.assertEqual(r.align, (Align.CENTER, Align.CENTER))