diff --git a/plugins/updates/gsd-updates-manager.c b/plugins/updates/gsd-updates-manager.c
index d869712..64373bd 100644
--- a/plugins/updates/gsd-updates-manager.c
+++ b/plugins/updates/gsd-updates-manager.c
@@ -350,15 +350,16 @@ notify_normal_updates_maybe (GsdUpdatesManager *manager, GPtrArray *array)
         NotifyNotification *notification;
 
         /* find out if enough time has passed since the last notification */
-        time_now = g_get_real_time ();
+        time_now = g_get_real_time () / 1000000;
         freq_updates_notify = g_settings_get_int (manager->priv->settings_gsd,
                                                   GSD_SETTINGS_FREQUENCY_UPDATES_NOTIFICATION);
         g_settings_get (manager->priv->settings_gsd,
                         GSD_SETTINGS_LAST_UPDATES_NOTIFICATION,
                         "t", &time_last_notify);
-        if ((guint64) freq_updates_notify < time_now - time_last_notify) {
-                g_debug ("not showing non-critical notification as already shown %i days ago",
-                        (guint) (time_now - time_last_notify) / (24 * 60 * 60));
+        if (time_last_notify > 0 &&
+            (guint64) freq_updates_notify > time_now - time_last_notify) {
+                g_debug ("not showing non-critical notification as already shown %i hours ago",
+                        (guint) (time_now - time_last_notify) / (60 * 60));
                 return;
         }
 
@@ -835,6 +836,7 @@ get_updates_finished_cb (GObject *object,
         if (update == GSD_UPDATE_TYPE_SECURITY) {
                 if (security_array->len == 0) {
                         g_debug ("policy security, but none available");
+                        notify_normal_updates_maybe (manager, array);
                         goto out;
                 }
 
@@ -1405,7 +1407,7 @@ gsd_updates_manager_start (GsdUpdatesManager *manager,
         set_install_root (manager);
 
         /* load introspection from file */
-        file = g_file_new_for_path (DATADIR "/dbus-1/interfaces/org.gnome.ColorManager.xml");
+        file = g_file_new_for_path (DATADIR "/dbus-1/interfaces/org.gnome.SettingsDaemonUpdates.xml");
         ret = g_file_load_contents (file, NULL, &introspection_data, NULL, NULL, error);
         if (!ret)
                 goto out;
diff --git a/plugins/updates/gsd-updates-refresh.c b/plugins/updates/gsd-updates-refresh.c
index 9193358..15e6917 100644
--- a/plugins/updates/gsd-updates-refresh.c
+++ b/plugins/updates/gsd-updates-refresh.c
@@ -506,7 +506,7 @@ session_presence_signal_cb (GDBusProxy *proxy,
         if (g_strcmp0 (signal_name, "StatusChanged") != 0)
                 return;
 
-        /* map stauts code into boolean */
+        /* map status code into boolean */
         g_variant_get (parameters, "(u)", &status);
         refresh->priv->session_idle = (status == PRESENCE_STATUS_IDLE);
         g_debug ("setting is_idle %i",
@@ -578,7 +578,7 @@ gsd_updates_refresh_init (GsdUpdatesRefresh *refresh)
                                   refresh);
                 status = g_dbus_proxy_get_cached_property (refresh->priv->proxy_session,
                                                            "status");
-                g_variant_get (status, "(u)", &status_code);
+                g_variant_get (status, "u", &status_code);
                 refresh->priv->session_idle = (status_code == PRESENCE_STATUS_IDLE);
                 g_variant_unref (status);
         }