diff --git a/chrome/content/zotero/tabs.js b/chrome/content/zotero/tabs.js
index 304254bbc3..2998863695 100644
--- a/chrome/content/zotero/tabs.js
+++ b/chrome/content/zotero/tabs.js
@@ -353,7 +353,12 @@ var Zotero_Tabs = new function () {
 			menuitem.addEventListener('command', () => {
 				var reader = Zotero.Reader.getByTabID(id);
 				if (reader) {
-					ZoteroPane_Local.selectItem(reader.itemID);
+					let itemID = reader.itemID;
+					let item = Zotero.Items.get(itemID);
+					if (item && item.parentItemID) {
+						itemID = item.parentItemID;
+					}
+					ZoteroPane_Local.selectItem(itemID);
 					this.select('zotero-pane');
 				}
 			});
diff --git a/chrome/content/zotero/xpcom/reader.js b/chrome/content/zotero/xpcom/reader.js
index 396a6c65c5..173d48df47 100644
--- a/chrome/content/zotero/xpcom/reader.js
+++ b/chrome/content/zotero/xpcom/reader.js
@@ -221,14 +221,9 @@ class ReaderInstance {
 			return;
 		}
 		else if (cmd === 'showInLibrary') {
-			let id = this._itemID;
-			let item = Zotero.Items.get(this._itemID);
-			if (item && item.parentItemID) {
-				id = item.parentItemID;
-			}
 			let win = Zotero.getMainWindow();
 			if (win) {
-				win.ZoteroPane.selectItems([id]);
+				win.ZoteroPane.selectItems([this._itemID]);
 				win.Zotero_Tabs.select('zotero-pane');
 				win.focus();
 			}