Syntax error

src/vitis/vas/rest/class/vmlib/files/Local_files.class.inc

@@ -192,7 +192,7 @@ class Local_files extends Files_common implements Files{
         $sKey = str_replace($this->oProperties['ws_data_dir'], "ws_data" , $sFilePath);
         $sKey = str_replace($this->oProperties['dir_export'], "public" , $sKey);
         $sKey = str_replace($this->oProperties['upload_dir'], "upload" , $sKey);
-        $sKey = str_replace($properties['vas_home'] . '/shared', "shared" , $sKey);
+        $sKey = str_replace($this->oProperties['vas_home'] . '/shared', "shared" , $sKey);
 
         $sFileUrl = str_replace("[KEY]", urlencode($sKey), $sDataUrl);
         $sFileUrl = str_replace("[ETAG]", sha1(file_get_contents($sFilePath), false), $sFileUrl);