diff -upr mate-applets-orig/battstat/battstat-upower.c mate-applets-test/battstat/battstat-upower.c
--- mate-applets-orig/battstat/battstat-upower.c	2013-11-10 01:56:23.939846000 +0100
+++ mate-applets-test/battstat/battstat-upower.c	2013-11-10 02:21:20.690898837 +0100
@@ -92,8 +92,11 @@ battstat_upower_initialise (void (*callb
     goto error_shutdownclient;
   }
 #endif
-
+#if UP_CHECK_VERSION(0, 99, 0)
+  g_signal_connect_after( upc, "notify", device_cb, NULL );
+#else
   g_signal_connect_after( upc, "device-changed", device_cb, NULL );
+#endif
   g_signal_connect_after( upc, "device-added", device_cb, NULL );
   g_signal_connect_after( upc, "device-removed", device_cb, NULL );