diff --git a/chrome/content/zotero/overlay.js b/chrome/content/zotero/overlay.js
index 13fadfa76..e170d26d1 100644
--- a/chrome/content/zotero/overlay.js
+++ b/chrome/content/zotero/overlay.js
@@ -137,6 +137,10 @@ var ZoteroPane = new function()
 		
 		Zotero.setFontSize(document.getElementById('zotero-pane'))
 		
+		if (Zotero.isMac) {
+			document.getElementById('zotero-tb-actions-zeroconf-update').setAttribute('hidden', false);
+		}
+		
 		//Initialize collections view
 		this.collectionsView = new Zotero.CollectionTreeView();
 		var collectionsTree = document.getElementById('zotero-collections-tree');
diff --git a/chrome/content/zotero/overlay.xul b/chrome/content/zotero/overlay.xul
index d43a19464..3355aba1a 100644
--- a/chrome/content/zotero/overlay.xul
+++ b/chrome/content/zotero/overlay.xul
@@ -123,9 +123,9 @@
 							<menupopup id="zotero-tb-actions-popup" onpopupshowing="document.getElementById('cmd_zotero_reportErrors').setAttribute('disabled', Zotero.getErrors().length == 0)">
 								<menuitem id="zotero-tb-actions-import" label="&zotero.toolbar.import.label;" oncommand="Zotero_File_Interface.importFile();"/>
 								<menuitem id="zotero-tb-actions-export" label="&zotero.toolbar.export.label;" oncommand="Zotero_File_Interface.exportFile();"/>
+								<menuitem hidden="true" id="zotero-tb-actions-zeroconf-update"
+									label="Search for Shared Libraries" oncommand="Zotero.Zeroconf.findInstances()"/>
 								<menuseparator id="zotero-tb-actions-utilities-separator"/>
-								<menuitem id="zotero-tb-actions-zeroconf-update" label="Search for Shared Libraries"
-									oncommand="Zotero.Zeroconf.findInstances()"/>
 								<menuitem id="zotero-tb-actions-timeline" label="&zotero.toolbar.timeline.label;" oncommand="Zotero_Timeline_Interface.loadTimeline()"/>
 								<menuseparator id="zotero-tb-actions-sync-separator"/>
 								<menuitem label="Clear Server Data" oncommand="Zotero.Sync.Server.clear()"/>