diff --git a/autoload/doge.vim b/autoload/doge.vim
index 495b71a6..50d606d0 100644
--- a/autoload/doge.vim
+++ b/autoload/doge.vim
@@ -131,7 +131,8 @@ function! doge#generate(arg) abort
   let l:Indent = function('doge#indent#add', [l:comment_indent])
 
   " Indent the comment.
-  let l:comment = map(l:comment, { line -> l:Indent(line) })
+  " vint: next-line -ProhibitUnusedVariable
+  let l:comment = map(l:comment, { index, line -> l:Indent(line) })
 
   " Write the comment.
   call append(l:comment_lnum_insert_position, l:comment)