add objectadded signal
diff --git a/bin/sensors_virtual_p8.py b/bin/sensors_virtual_p8.py
index 840ee04..6e80a6a 100755
--- a/bin/sensors_virtual_p8.py
+++ b/bin/sensors_virtual_p8.py
@@ -53,6 +53,8 @@
 	def __init__(self,bus,name):
 		SensorValue.__init__(self)
 		dbus.service.Object.__init__(self,bus,name)
+		self.ObjectAdded(name,SensorValue.IFACE_NAME)
+
 		
 CONTROL_IFACE = 'org.openbmc.Control'
 class HostStatusSensor(SensorValue):