diff --git a/chrome/content/zotero/itemPane.xul b/chrome/content/zotero/itemPane.xul
index c0efe5a488..cea560aad0 100644
--- a/chrome/content/zotero/itemPane.xul
+++ b/chrome/content/zotero/itemPane.xul
@@ -31,12 +31,12 @@
 	<script src="include.js"/>
 	<script src="itemPane.js"/>
 	
-	<tabpanels id="zotero-view-item" flex="1" oncommand="if (this.selectedIndex !== '') { ZoteroItemPane.loadPane(this.selectedIndex); }">
+	<tabpanels id="zotero-view-item" flex="1">
 		<tabpanel>
 			<zoteroitembox id="zotero-editpane-item-box" flex="1"/>
 		</tabpanel>
 		
-		<tabpanel flex="1" align="top">
+		<tabpanel flex="1" orient="vertical">
 			<hbox align="center">
 				<label id="zotero-editpane-notes-label"/>
 				<button label="&zotero.item.add;" oncommand="ZoteroItemPane.addNote();"/>
diff --git a/chrome/content/zotero/overlay.xul b/chrome/content/zotero/overlay.xul
index 35b8842834..7f7f42a35e 100644
--- a/chrome/content/zotero/overlay.xul
+++ b/chrome/content/zotero/overlay.xul
@@ -375,7 +375,7 @@
 					<groupbox pack="center" align="center">
 						<label id="zotero-view-selected-label"/>
 					</groupbox>
-					<tabbox id="zotero-view-tabbox" flex="1">
+					<tabbox id="zotero-view-tabbox" flex="1" oncommand="if (this.selectedIndex !== '') { ZoteroItemPane.loadPane(this.selectedIndex); }">
 						<tabs>
 							<tab label="&zotero.tabs.info.label;"/>
 							<tab label="&zotero.tabs.notes.label;"/>