diff --git a/clock.lua b/clock.lua
index 47709b7..0a55981 100644
--- a/clock.lua
+++ b/clock.lua
@@ -35,6 +35,7 @@ function Hand:draw(turns)
   love.graphics.rotate(turnsToRads(turns) + 0.5 * math.pi)
   love.graphics.polygon("fill", vertices)
   love.graphics.setColor(DARK_YELLOW)
+  love.graphics.setLineJoin("bevel")
   love.graphics.setLineWidth(self.lineWidth)
   love.graphics.polygon("line", vertices)
   love.graphics.pop()