diff --git a/kitty_tests/multicell.py b/kitty_tests/multicell.py
index 5bc853ebc..daf649c24 100644
--- a/kitty_tests/multicell.py
+++ b/kitty_tests/multicell.py
@@ -458,6 +458,9 @@ def test_multicell(self: TestMulticell) -> None:
     ta('\x1b]66;s=2;ab\x07')
     multicell(s, '😀a', scale=2)
     ta('\x1b]66;s=2;😀a\x07')
+    multicell(s, '😀', scale=2)
+    multicell(s, 'b', width=1, scale=2)
+    ta('\x1b]66;s=2;😀\x07\x1b]66;w=1:s=2;b\x07')
     multicell(s, 'a', scale=2)
     s.cursor.fg = as_rgb(0xffffff)
     multicell(s, 'b', scale=2)