diff --git a/nvim/after/ftplugin/markdown.vim b/nvim/after/ftplugin/markdown.vim
index 5408829..f5408c0 100644
--- a/nvim/after/ftplugin/markdown.vim
+++ b/nvim/after/ftplugin/markdown.vim
@@ -2,9 +2,10 @@ source <sfile>:h/text.vim
 
 let s:src_file = expand('%')
 let s:out_file = s:src_file.'.html'
-let &l:makeprg = 'markdown2htmldoc '.shellescape(s:src_file).' '.shellescape(s:out_file)
+let &l:makeprg = 'markdown2htmldoc'
 for s:arg in get(g:, 'dotfiles_markdown2htmldoc_options', [])
   let &l:makeprg .= ' '.shellescape(s:arg)
 endfor
+let &l:makeprg .= ' -- '.shellescape(s:src_file).' '.shellescape(s:out_file)
 
 nnoremap <buffer> <F5> <Cmd>Open %.html<CR>
diff --git a/nvim/after/ftplugin/sass.vim b/nvim/after/ftplugin/sass.vim
new file mode 100644
index 0000000..6e88f83
--- /dev/null
+++ b/nvim/after/ftplugin/sass.vim
@@ -0,0 +1 @@
+source <sfile>:h/scss.vim
diff --git a/nvim/after/ftplugin/scss.vim b/nvim/after/ftplugin/scss.vim
index 94b3fea..9d5f7f1 100644
--- a/nvim/after/ftplugin/scss.vim
+++ b/nvim/after/ftplugin/scss.vim
@@ -1 +1,9 @@
 source <sfile>:h/css.vim
+
+let s:src_file = expand('%')
+let s:out_file = s:src_file.'.css'
+let &l:makeprg = 'sass'
+for s:arg in get(g:, 'dotfiles_dart_sass_options', [])
+  let &l:makeprg .= ' '.shellescape(s:arg)
+endfor
+let &l:makeprg .= ' -- '.shellescape(s:src_file).':'.shellescape(s:out_file)