diff --git a/docs/layouts/shortcodes/fileindex.html b/docs/layouts/shortcodes/fileindex.html
index 56542ceeb..26b903f6a 100644
--- a/docs/layouts/shortcodes/fileindex.html
+++ b/docs/layouts/shortcodes/fileindex.html
@@ -4,7 +4,7 @@
 {{$dir := .Get "dir"}}
 {{ $url := .Get "baseurl" }}
 
-{{ $files := ReadDir $dir }}
+{{ $files := readDir $dir }}
     {{ range $files }}
 			<tr>
                 <td>{{.Size}}</td>