diff --git a/lib/util/support.inc.php b/lib/util/support.inc.php
index 7e8b4a2..50c12b5 100644
--- a/lib/util/support.inc.php
+++ b/lib/util/support.inc.php
@@ -737,6 +737,10 @@ class SupportUtil
 
 	private function get_index_contents($title, $path, $relative = true)
 	{
+		if (!is_dir($path))
+		{
+			return '';
+		}
 		$contents = array();
 		$dh = opendir($path);
 		while (($filename = readdir($dh)) !== false)