diff --git a/chrome/content/zotero-platform/mac/standalone/menuOverlay.xul b/chrome/content/zotero-platform/mac/standalone/menuOverlay.xul
index 82ee57980..12230da63 100644
--- a/chrome/content/zotero-platform/mac/standalone/menuOverlay.xul
+++ b/chrome/content/zotero-platform/mac/standalone/menuOverlay.xul
@@ -83,7 +83,7 @@
         <menuitem id="menu_preferences"
 				label="&preferencesCmdMac.label;"
 				key="key_preferencesCmdMac"
-				oncommand="Zotero.Utilities.Internal.openPreferences();"/>
+				oncommand="Components.classes['@mozilla.org/appshell/window-mediator;1'].getService(Components.interfaces.nsIWindowMediator).getMostRecentWindow('navigator:browser').Zotero.Utilities.Internal.openPreferences();"/>
         <menuitem id="menu_mac_services"
 				label="&servicesMenuMac.label;"/>
         <menuitem id="menu_mac_hide_app"
diff --git a/chrome/content/zotero/standalone/hiddenWindow.xul b/chrome/content/zotero/standalone/hiddenWindow.xul
index ca46d4e4c..b34f6a173 100644
--- a/chrome/content/zotero/standalone/hiddenWindow.xul
+++ b/chrome/content/zotero/standalone/hiddenWindow.xul
@@ -38,7 +38,6 @@
 
 <window id="main-window" xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
     <script type="application/javascript" src="chrome://global/content/globalOverlay.js"/>
-    <script type="application/javascript" src="chrome://zotero/content/include.js"/>
 	<commandset id="mainCommandSet">
 		<!--FILE-->
 		<command id="cmd_quitApplication" oncommand="goQuitApplication();"/>