diff --git a/chrome/content/zotero/bindings/attachmentbox.xml b/chrome/content/zotero/bindings/attachmentbox.xml
index 5eb42f95d..dfc437f5b 100644
--- a/chrome/content/zotero/bindings/attachmentbox.xml
+++ b/chrome/content/zotero/bindings/attachmentbox.xml
@@ -51,6 +51,8 @@
 			<property name="mode" onget="return this._mode;">
 				<setter>
 				<![CDATA[
+					Zotero.debug("Setting mode to '" + val + "'");
+					
 					this.editable = false;
 					this.displayGoButtons = false;
 					this.displayURL = false;
@@ -72,6 +74,7 @@
 							this.displayPages = true;
 							this.displayIndexed = true;
 							this.displayNote = true;
+							this.displayDateModified = true;
 							break;
 						
 						case 'edit':
@@ -84,6 +87,7 @@
 							this.displayPages = true;
 							this.displayIndexed = true;
 							this.displayNote = true;
+							this.displayDateModified = true;
 							break;
 						
 						case 'merge':
@@ -92,13 +96,16 @@
 							this.displayAccessed = true;
 							this.displayNote = true;
 							this.displayButton = true;
+							this.displayDateModified = true;
 							break;
 						
 						case 'mergeedit':
+							this.editable = true;
 							this.displayURL = true;
 							this.displayFileName = true;
 							this.displayAccessed = true;
 							this.displayNote = true;
+							this.displayDateModified = true;
 							break;
 						
 						default:
diff --git a/chrome/content/zotero/xpcom/attachments.js b/chrome/content/zotero/xpcom/attachments.js
index 848669c7b..8a826fc3c 100644
--- a/chrome/content/zotero/xpcom/attachments.js
+++ b/chrome/content/zotero/xpcom/attachments.js
@@ -965,6 +965,9 @@ Zotero.Attachments = new function(){
 	
 	
 	function getStorageDirectory(itemID) {
+		if (!itemID) {
+			throw ("itemID not provided in Zotero.Attachments.getStorageDirectory()");
+		}
 		var item = Zotero.Items.get(itemID);
 		if (!item) {
 			throw ("Item " + itemID + " not found in Zotero.Attachments.getStorageDirectory()");
diff --git a/chrome/content/zotero/xpcom/data/item.js b/chrome/content/zotero/xpcom/data/item.js
index 69b338d85..dc409bc94 100644
--- a/chrome/content/zotero/xpcom/data/item.js
+++ b/chrome/content/zotero/xpcom/data/item.js
@@ -2531,6 +2531,8 @@ 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);
 		
 		return true;