--- gnome-power-manager-2.32.0/src/gpm-engine.c	2010-12-08 15:08:08.562113074 -0500
+++ gnome-power-manager-2.32.0.new/src/gpm-engine.c	2010-12-08 13:33:59.728039433 -0500
@@ -506,10 +506,9 @@
 	g_return_if_fail (engine != NULL);
 	g_return_if_fail (GPM_IS_ENGINE (engine));
 
-	gpm_engine_recalculate_state_icon (engine);
-	gpm_engine_recalculate_state_summary (engine);
-
-	g_signal_emit (engine, signals [DEVICES_CHANGED], 0);
+	if (gpm_engine_recalculate_state_icon (engine) || gpm_engine_recalculate_state_summary (engine) ) {
+		g_signal_emit (engine, signals [DEVICES_CHANGED], 0);
+	}
 }
 
 /**