diff --git a/vim/checklist.vim b/vim/checklist.vim
index b2646d9..a6d6ad7 100644
--- a/vim/checklist.vim
+++ b/vim/checklist.vim
@@ -9,7 +9,7 @@ call Box_clear()
 
 function! Flip_box ()
     s!\[ \]![xXx]!e
-    s!^\(\s*\)\[x\]!\1[ ]!e
+    s!\[x\]![ ]!e
     s!\[xXx\]![x]!e
 endfunction