diff --git a/chrome/content/zotero/selectItemsDialog.xul b/chrome/content/zotero/selectItemsDialog.xul
index 3021a5f4b1..5967999cb6 100644
--- a/chrome/content/zotero/selectItemsDialog.xul
+++ b/chrome/content/zotero/selectItemsDialog.xul
@@ -232,7 +232,7 @@
 					flex="1" zotero-persist="width ordinal hidden sortActive sortDirection"/>
 				<splitter class="tree-splitter"/>
 				<treecol
-					id="zotero-items-column-hasAttachment"
+					id="zotero-items-column-hasAttachment" hidden="true"
 					class="treecol-image"
 					label="&zotero.tabs.attachments.label;"
 					src="chrome://zotero/skin/attach-small.png"
diff --git a/chrome/content/zotero/xpcom/itemTreeView.js b/chrome/content/zotero/xpcom/itemTreeView.js
index a45c0d491a..01f32a9867 100644
--- a/chrome/content/zotero/xpcom/itemTreeView.js
+++ b/chrome/content/zotero/xpcom/itemTreeView.js
@@ -1308,10 +1308,15 @@ Zotero.ItemTreeView.prototype.sort = function(itemID)
 		
 		case 'hasAttachment':
 			getField = function (row) {
-				if (!row.ref.isRegularItem()) {
+				if (row.ref.isAttachment()) {
+					var state = row.ref.fileExists ? 1 : -1;
+				}
+				else if (row.ref.isRegularItem()) {
+					var state = row.ref.getBestAttachmentState();
+				}
+				else {
 					return 0;
 				}
-				var state = row.ref.getBestAttachmentState();
 				// Make sort order present, missing, empty when ascending
 				if (state === -1) {
 					state = 2;