diff --git a/chrome.manifest b/chrome.manifest
index f1b3279a8e..04f2789245 100644
--- a/chrome.manifest
+++ b/chrome.manifest
@@ -47,6 +47,8 @@ skin		zotero	default		chrome/skin/default/zotero/
 overlay	chrome://browser/content/browser.xul	chrome://zotero/content/statusBarOverlay.xul appversion<4.0
 overlay	chrome://browser/content/browser.xul	chrome://zotero/content/overlay.xul
 overlay	chrome://browser/content/browser.xul	chrome://zotero/content/itemPane.xul
+overlay	chrome://zotero/content/preferences/preferences.xul			chrome://zotero/content/preferences/preferences_firefox.xul application={ec8030f7-c20a-464f-9b0e-13a3a9e97384}
+overlay	chrome://zotero/content/preferences/preferences.xul#cite	chrome://zotero/content/preferences/preferences_firefox.xul application={ec8030f7-c20a-464f-9b0e-13a3a9e97384}
 
 style	chrome://browser/content/browser.xul	chrome://zotero/skin/zotero.css
 style	chrome://global/content/customizeToolbar.xul	chrome://zotero/skin/zotero.css
diff --git a/chrome/content/zotero/preferences/preferences.js b/chrome/content/zotero/preferences/preferences.js
index f44b173b04..02063bdb91 100644
--- a/chrome/content/zotero/preferences/preferences.js
+++ b/chrome/content/zotero/preferences/preferences.js
@@ -1733,6 +1733,8 @@ function deleteProxy() {
  * Refreshes the proxy pane
  */
 function refreshProxyList() {
+	if(!document.getElementById("zotero-prefpane-proxies")) return;
+	
 	// get and sort proxies
 	proxies = Zotero.Proxies.proxies.slice();
 	for(var i=0; i<proxies.length; i++) {
diff --git a/chrome/content/zotero/preferences/preferences.xul b/chrome/content/zotero/preferences/preferences.xul
index 89d00172fc..9606af6e54 100644
--- a/chrome/content/zotero/preferences/preferences.xul
+++ b/chrome/content/zotero/preferences/preferences.xul
@@ -627,52 +627,6 @@ To add a new preference:
 	</prefpane>
 	
 	
-	<prefpane id="zotero-prefpane-proxies"
-						label="&zotero.preferences.prefpane.proxies;"
-						image="chrome://zotero/skin/prefs-proxies.png">
-		<description width="45em" style="font-size: 12px">
-			&zotero.preferences.proxies.desc_before_link;
-			<label class="text-link" href="http://www.zotero.org/support/proxies"
-				value="&zotero.preferences.proxies.desc_link;"/>
-			&zotero.preferences.proxies.desc_after_link;
-		</description>
-		
-		<command id="zotero-proxies-update" oncommand="updateProxyPrefs()"/>
-		<checkbox id="zotero-proxies-transparent" label="&zotero.preferences.proxies.transparent;"
-			command="zotero-proxies-update"/>
-		<vbox style="margin-left: 1em">
-			<checkbox id="zotero-proxies-autoRecognize" label="&zotero.preferences.proxies.autoRecognize;"
-				command="zotero-proxies-update"/>
-			<hbox>
-				<checkbox id="zotero-proxies-disableByDomain-checkbox" label="&zotero.preferences.proxies.disableByDomain;"
-					command="zotero-proxies-update"/>
-				<textbox id="zotero-proxies-disableByDomain-textbox" onchange="updateProxyPrefs()"/>
-			</hbox>
-		</vbox>
-		
-		<groupbox flex="1" id="proxyGroup">
-			<caption label="&zotero.preferences.proxies.configured;"/>
-			
-			<tree flex="1" id="proxyTree" hidecolumnpicker="true" rows="6" seltype="single"
-					ondblclick="showProxyEditor(this.currentIndex)" onselect="document.getElementById('proxyTree-delete').disabled = undefined"
-					onkeypress="if (event.keyCode == event.DOM_VK_DELETE) { deleteProxy(); }">
-				<treecols>
-					<treecol id="proxyTree-hostname" label="&zotero.preferences.proxies.hostname;" flex="1"/>
-					<treecol id="proxyTree-scheme" label="&zotero.preferences.proxies.scheme;" flex="3"/>
-				</treecols>
-				<treechildren id="proxyTree-rows"/>
-			</tree>
-			<separator class="thin"/>
-			<hbox pack="end">
-				<button disabled="true" id="proxyTree-delete" label="-" onclick="deleteProxy()"/>
-				<button label="+" id="proxyTree-add" onclick="showProxyEditor()"/>
-			</hbox>
-		</groupbox>
-		
-		<separator/>
-	</prefpane>
-	
-	
 	<prefpane id="zotero-prefpane-keys"
 						label="&zotero.preferences.prefpane.keys;"
 						image="chrome://zotero/skin/prefs-keys.png">
diff --git a/chrome/content/zotero/preferences/preferences_firefox.xul b/chrome/content/zotero/preferences/preferences_firefox.xul
new file mode 100644
index 0000000000..3e155e146b
--- /dev/null
+++ b/chrome/content/zotero/preferences/preferences_firefox.xul
@@ -0,0 +1,90 @@
+<?xml version="1.0"?>
+<!--
+    ***** BEGIN LICENSE BLOCK *****
+    
+    Copyright © 2009 Center for History and New Media
+                     George Mason University, Fairfax, Virginia, USA
+                     http://zotero.org
+    
+    This file is part of Zotero.
+    
+    Zotero is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+    
+    Zotero is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+    
+    You should have received a copy of the GNU General Public License
+    along with Zotero.  If not, see <http://www.gnu.org/licenses/>.
+    
+    ***** END LICENSE BLOCK *****
+-->
+<!DOCTYPE prefwindow SYSTEM "chrome://zotero/locale/preferences.dtd">
+
+<?xml-stylesheet href="chrome://global/skin/global.css"?>
+<?xml-stylesheet href="chrome://browser/skin/preferences/preferences.css"?>
+<?xml-stylesheet href="chrome://zotero/skin/preferences.css"?>
+
+<!--
+
+To add a new preference:
+	1) Add a new <preference> to <preferences>
+	2) Add a XUL control with a 'preference' attribute
+	3) (Optional) Add additional setup/change logic to preferences.js
+	4) (Optional) To add an observer for a preference change,
+		add an appropriate case in the switch statement
+		in Zotero.Prefs.observe()
+
+-->
+<overlay xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
+	<prefwindow id="zotero-prefs">
+		<prefpane id="zotero-prefpane-proxies"
+							label="&zotero.preferences.prefpane.proxies;"
+							image="chrome://zotero/skin/prefs-proxies.png" position="6">
+			<description width="45em" style="font-size: 12px">
+				&zotero.preferences.proxies.desc_before_link;
+				<label class="text-link" href="http://www.zotero.org/support/proxies"
+					value="&zotero.preferences.proxies.desc_link;"/>
+				&zotero.preferences.proxies.desc_after_link;
+			</description>
+			
+			<command id="zotero-proxies-update" oncommand="updateProxyPrefs()"/>
+			<checkbox id="zotero-proxies-transparent" label="&zotero.preferences.proxies.transparent;"
+				command="zotero-proxies-update"/>
+			<vbox style="margin-left: 1em">
+				<checkbox id="zotero-proxies-autoRecognize" label="&zotero.preferences.proxies.autoRecognize;"
+					command="zotero-proxies-update"/>
+				<hbox>
+					<checkbox id="zotero-proxies-disableByDomain-checkbox" label="&zotero.preferences.proxies.disableByDomain;"
+						command="zotero-proxies-update"/>
+					<textbox id="zotero-proxies-disableByDomain-textbox" onchange="updateProxyPrefs()"/>
+				</hbox>
+			</vbox>
+			
+			<groupbox flex="1" id="proxyGroup">
+				<caption label="&zotero.preferences.proxies.configured;"/>
+				
+				<tree flex="1" id="proxyTree" hidecolumnpicker="true" rows="6" seltype="single"
+						ondblclick="showProxyEditor(this.currentIndex)" onselect="document.getElementById('proxyTree-delete').disabled = undefined"
+						onkeypress="if (event.keyCode == event.DOM_VK_DELETE) { deleteProxy(); }">
+					<treecols>
+						<treecol id="proxyTree-hostname" label="&zotero.preferences.proxies.hostname;" flex="1"/>
+						<treecol id="proxyTree-scheme" label="&zotero.preferences.proxies.scheme;" flex="3"/>
+					</treecols>
+					<treechildren id="proxyTree-rows"/>
+				</tree>
+				<separator class="thin"/>
+				<hbox pack="end">
+					<button disabled="true" id="proxyTree-delete" label="-" onclick="deleteProxy()"/>
+					<button label="+" id="proxyTree-add" onclick="showProxyEditor()"/>
+				</hbox>
+			</groupbox>
+			
+			<separator/>
+		</prefpane>
+	</prefwindow>
+</overlay>
diff --git a/chrome/content/zotero/xpcom/proxy.js b/chrome/content/zotero/xpcom/proxy.js
index ec7e69a54c..5e874d31c0 100644
--- a/chrome/content/zotero/xpcom/proxy.js
+++ b/chrome/content/zotero/xpcom/proxy.js
@@ -60,7 +60,7 @@ Zotero.Proxies = new function() {
 			}
 		}
 		
-		Zotero.Proxies.transparent = Zotero.Prefs.get("proxies.transparent");
+		Zotero.Proxies.transparent = !Zotero.isConnector && Zotero.Prefs.get("proxies.transparent");
 		Zotero.Proxies.autoRecognize = Zotero.Proxies.transparent && Zotero.Prefs.get("proxies.autoRecognize");
 		
 		var disableByDomainPref = Zotero.Prefs.get("proxies.disableByDomain");