diff --git a/library/Class/Article.php b/library/Class/Article.php
index cd863632543c65024ba18127f7cff617071d0554..0628e6b263e9b9a276065286da36d2c1a06fbe0f 100644
--- a/library/Class/Article.php
+++ b/library/Class/Article.php
@@ -990,7 +990,7 @@ class Class_Article extends Storm_Model_Abstract {
       return $url;
 
     $path = str_replace(Class_Url::baseUrl(), '', $url);
-    if(substr($path, 0, 0) == '/')
+    if(strpos($path, '/') === 0)
       $path = '.' . $path;
 
     if($this->getFileWriter()->fileExists($path))