diff --git a/ftplugin/markdown.vim b/ftplugin/markdown.vim
index 2fbdf66..39c0f8e 100644
--- a/ftplugin/markdown.vim
+++ b/ftplugin/markdown.vim
@@ -23,9 +23,8 @@ function! MarkdownFold()
   let line = getline(v:lnum)
 
   " Regular headers
-  let depth = match(line, '\(^#\+\)\@<=\( .*$\)\@=')
-  if depth > 0
-    return ">" . depth
+  if line =~# '^#\+ '
+    return ">" . match(line, ' ')
   endif
 
   " Setext style headings