diff --git a/rc/filetype/dart.kak b/rc/filetype/dart.kak
index 21db0b1e2..b55306aa1 100644
--- a/rc/filetype/dart.kak
+++ b/rc/filetype/dart.kak
@@ -98,7 +98,7 @@ define-command -hidden dart-indent-on-new-line %~
         # indent after if|else|while|for
         try %[ execute-keys -draft <semicolon><a-F>)MB <a-k> \A(if|else|while|for)\h*\(.*\)\h*\n\h*\n?\z <ret> s \A|.\z <ret> 1<a-&>1<a-space><a-gt> ]
         # deindent closing brace when after cursor
-        try %[ execute-keys -draft <a-x> <a-k>^\h*\}\h*$<ret> hm <a-S> 1<a-&> ]
+        try %[ execute-keys -draft <a-x> <a-k> ^\h*\}\h*\;?\h*(?://.*)?$ <ret> <a-/> \} <ret> m <a-S> 1<a-&> ]
     =
 ~