diff --git a/hgext3rd/chistedit.py b/hgext3rd/chistedit.py
index 8af39c6431..6202d08ead 100644
--- a/hgext3rd/chistedit.py
+++ b/hgext3rd/chistedit.py
@@ -348,7 +348,7 @@ def main(repo, rules, stdscr):
         rule = rules[pos]
 
         ctx = rule.ctx
-        win.box(0, 0)
+        win.box()
 
         maxy, maxx = win.getmaxyx()
         length = maxx - 3