diff --git a/kitty/fonts/box_drawing.py b/kitty/fonts/box_drawing.py
index c0f9b03a8..9868b083f 100644
--- a/kitty/fonts/box_drawing.py
+++ b/kitty/fonts/box_drawing.py
@@ -307,6 +307,8 @@ t, f = 1, 3
 for start in '┌┐└┘':
     for i, (hlevel, vlevel) in enumerate(((t, t), (f, t), (t, f), (f, f))):
         box_chars[chr(ord(start) + i)] = [p(corner, which=start, hlevel=hlevel, vlevel=vlevel)]
+for ch, c in zip('╭╮╯╰', '┌┐┘└'):
+    box_chars[ch] = [p(corner, which=c)]  # TODO: Make these rounded
 
 for i, (a, b, c, d) in enumerate((
         (t, t, t, t), (f, t, t, t), (t, f, t, t), (f, f, t, t), (t, t, f, t), (t, t, t, f), (t, t, f, f),