diff --git a/gui/chronosharegui.cpp b/gui/chronosharegui.cpp
index a829099..40533c2 100644
--- a/gui/chronosharegui.cpp
+++ b/gui/chronosharegui.cpp
@@ -51,7 +51,7 @@
   , m_executor (1)
 #endif
 #ifdef SPARKLE_SUPPORTED
-  , m_autoUpdate(new SparkleAutoUpdate(tr("http://no-url.org")))
+  , m_autoUpdate(new SparkleAutoUpdate(tr("http://irl.cs.ucla.edu")))
 #endif
 {
   setWindowTitle("Settings");
@@ -273,6 +273,8 @@
   m_trayIconMenu->addAction(m_viewSettings);
   m_trayIconMenu->addAction(m_changeFolder);
   m_trayIconMenu->addSeparator();
+  m_trayIconMenu->addAction(m_checkForUpdates);
+  m_trayIconMenu->addSeparator();
   m_trayIconMenu->addAction(m_wifiAction);
   m_trayIconMenu->addSeparator();
   m_trayIconMenu->addAction(m_quitProgram);
@@ -332,7 +334,9 @@
 ChronoShareGui::onCheckForUpdates()
 {
 #ifdef SPARKLE_SUPPORTED
+  cout << "+++++++++++ trying to update +++++++ " << endl;
   m_autoUpdate->checkForUpdates();
+  cout << "+++++++++++ end trying to update +++++++ " << endl;
 #endif
 }
 
diff --git a/osx/auto-update/sparkle-auto-update.mm b/osx/auto-update/sparkle-auto-update.mm
index 5b35a76..9429892 100644
--- a/osx/auto-update/sparkle-auto-update.mm
+++ b/osx/auto-update/sparkle-auto-update.mm
@@ -22,6 +22,7 @@
 #include "sparkle-auto-update.h"
 #import <Foundation/Foundation.h>
 #import <Sparkle/Sparkle.h>
+#include <stdio.h>
 
 class SparkleAutoUpdate::Private
 {
@@ -32,14 +33,15 @@
 SparkleAutoUpdate::SparkleAutoUpdate(const QString &updateUrl)
 {
   d = new Private;
-  d->updater = [SUUpdater sharedUpdater];
-  [d->updater setAutomaticallyChecksForUpdates:YES];
+  d->updater = [[SUUpdater sharedUpdater] retain];
+  // [d->updater setAutomaticallyChecksForUpdates:YES];
   NSURL *url = [NSURL URLWithString: [NSString stringWithUTF8String: updateUrl.toUtf8().data()]];
   [d->updater setFeedURL: url];
 }
 
 SparkleAutoUpdate::~SparkleAutoUpdate()
 {
+  [d->updater release];
   delete d;
   // presummably SUUpdater handles garbage collection
 }
@@ -47,4 +49,5 @@
 void SparkleAutoUpdate::checkForUpdates()
 {
   [d->updater checkForUpdatesInBackground];
+  printf("++++++++ checking update ++++++\n");
 }
diff --git a/wscript b/wscript
index b9b9410..2c30e6c 100644
--- a/wscript
+++ b/wscript
@@ -219,6 +219,8 @@
     <string>APPL</string>
     <key>CFBundleGetInfoString</key>
     <string>Created by Waf</string>
+    <key>CFBundleIdentifier</key>
+    <string>edu.ucla.cs.irl.Chronoshare</string>
     <key>CFBundleSignature</key>
     <string>????</string>
     <key>NOTE</key>