diff --git a/py/hexagram/dial.py b/py/hexagram/dial.py
index c51120f..75af4c6 100644
--- a/py/hexagram/dial.py
+++ b/py/hexagram/dial.py
@@ -125,7 +125,7 @@ class BottomDial(Dial):
         cr.arc(self.x,
                self.y,
                self.radius - 36,
-               self.MIN_ANGLE - self.ANGLE_OFFSET,
+               self.MIN_ANGLE - self.ANGLE_OFFSET - 4 * (math.pi / 180.0),
                self.MAX_ANGLE - self.ANGLE_OFFSET + 4 * (math.pi / 180.0))
         cr.stroke()