diff --git a/chrome/content/zotero/xpcom/attachments.js b/chrome/content/zotero/xpcom/attachments.js
index 27b881262..0f499703b 100644
--- a/chrome/content/zotero/xpcom/attachments.js
+++ b/chrome/content/zotero/xpcom/attachments.js
@@ -300,6 +300,7 @@ Zotero.Attachments = new function(){
 							attachmentItem.save();
 							
 							Zotero.Notifier.trigger('add', 'item', itemID);
+							Zotero.Notifier.trigger('modify', 'item', sourceItemID);
 							
 							// We don't have any way of knowing that the file
 							// is flushed to disk, so we just wait a second
diff --git a/chrome/content/zotero/xpcom/data/item.js b/chrome/content/zotero/xpcom/data/item.js
index b8ee132dd..32ed36b48 100644
--- a/chrome/content/zotero/xpcom/data/item.js
+++ b/chrome/content/zotero/xpcom/data/item.js
@@ -2297,6 +2297,10 @@ Zotero.Item.prototype.__defineGetter__('attachmentLinkMode', function () {
 		return this._attachmentLinkMode;
 	}
 	
+	if (!this.id) {
+		return '';
+	}
+	
 	var sql = "SELECT linkMode FROM itemAttachments WHERE itemID=?";
 	var linkMode = Zotero.DB.valueQuery(sql, this.id);
 	this._attachmentLinkMode = linkMode;
@@ -2349,6 +2353,10 @@ Zotero.Item.prototype.__defineGetter__('attachmentMIMEType', function () {
 		return this._attachmentMIMEType;
 	}
 	
+	if (!this.id) {
+		return '';
+	}
+	
 	var sql = "SELECT mimeType FROM itemAttachments WHERE itemID=?";
 	var mimeType = Zotero.DB.valueQuery(sql, this.id);
 	if (!mimeType) {
@@ -2398,6 +2406,10 @@ Zotero.Item.prototype.__defineGetter__('attachmentCharset', function () {
 		return this._attachmentCharset;
 	}
 	
+	if (!this.id) {
+		return '';
+	}
+	
 	var sql = "SELECT charsetID FROM itemAttachments WHERE itemID=?";
 	var charset = Zotero.DB.valueQuery(sql, this.id);
 	if (!charset) {
@@ -2439,7 +2451,7 @@ Zotero.Item.prototype.__defineGetter__('attachmentPath', function () {
 	}
 	
 	if (!this.id) {
-		return undefined;
+		return '';
 	}
 	
 	var sql = "SELECT path FROM itemAttachments WHERE itemID=?";