--- a/src/gui/util/qsystemtrayicon_mac.mm	2011-10-05 12:07:57.000000000 +0200
+++ b/src/gui/util/qsystemtrayicon_mac.mm	2011-10-05 12:09:36.000000000 +0200
@@ -247,6 +247,15 @@
         if (CFStringCompare(CFBundleGetIdentifier(bundle), CFSTR("com.Growl.GrowlHelperApp"),
                     kCFCompareCaseInsensitive |  kCFCompareBackwards) != kCFCompareEqualTo)
             return;
+
+        // since Growl 1.3, GrowlHelperApp was renamed to Growl
+        QString targetApp = QLatin1String("Growl");
+        UInt32 bundleVersion = CFBundleGetVersionNumber(bundle);
+        if ((bundleVersion >> 24 & 0xff) == 1 &&
+                (bundleVersion >> 20 & 0xf) < 3) {
+            targetApp = QLatin1String("GrowlHelperApp");
+        }
+
         QPixmap notificationIconPixmap;
         if(icon == QSystemTrayIcon::Information)
             notificationIconPixmap = QApplication::style()->standardPixmap(QStyle::SP_MessageBoxInformation);
@@ -264,7 +273,7 @@
                 notificationIcon = QLatin1String("image from location \"file://") + notificationIconFile.fileName() + QLatin1String("\"");
         }
         const QString script(QLatin1String(
-            "tell application \"GrowlHelperApp\"\n"
+            "tell application \"") + targetApp + QLatin1String("\"\n"
             "-- Make a list of all the notification types (all)\n"
             "set the allNotificationsList to {\"") + notificationType + QLatin1String("\"}\n"