diff --git a/chrome/content/zotero/xpcom/attachments.js b/chrome/content/zotero/xpcom/attachments.js
index f95c4e544..502d44dd7 100644
--- a/chrome/content/zotero/xpcom/attachments.js
+++ b/chrome/content/zotero/xpcom/attachments.js
@@ -347,7 +347,7 @@ Zotero.Attachments = new function(){
 				var nsIURL = Components.classes["@mozilla.org/network/standard-url;1"]
 							.createInstance(Components.interfaces.nsIURL);
 				nsIURL.spec = url;
-				Zotero.Utilities.saveURI(wbp, nsIURL, file);
+				Zotero.Utilities.Internal.saveURI(wbp, nsIURL, file);
 
 				
 				return attachmentItem;