diff --git a/chrome/content/zotero/xpcom/data/item.js b/chrome/content/zotero/xpcom/data/item.js
index 7a92c8611..315677670 100644
--- a/chrome/content/zotero/xpcom/data/item.js
+++ b/chrome/content/zotero/xpcom/data/item.js
@@ -2553,8 +2553,8 @@ Zotero.Item.prototype.renameAttachmentFile = function(newName, overwrite) {
 		
 		file.moveTo(null, newName);
 		// Update mod time so the file syncs
-		file.lastModifiedTime = new Date();
-		this.relinkAttachmentFile(file);
+		dest.lastModifiedTime = new Date();
+		this.relinkAttachmentFile(dest);
 		
 		return true;
 	}