diff --git a/chrome/content/zotero/xpcom/data/item.js b/chrome/content/zotero/xpcom/data/item.js
index 2cdd6fec7..7bffd35ea 100644
--- a/chrome/content/zotero/xpcom/data/item.js
+++ b/chrome/content/zotero/xpcom/data/item.js
@@ -3066,6 +3066,8 @@ Zotero.Item.prototype.clone = function(includePrimary) {
 	}
 	
 	if (obj.tags) {
+		Zotero.debug('=============================');
+		Zotero.debug(obj.tags);
 		for each(var tag in obj.tags) {
 			newItem.addTagByID(tag.id);
 		}