diff --git a/rw_core/core/device/agent.go b/rw_core/core/device/agent.go
index 84f765f..bc5fc1a 100755
--- a/rw_core/core/device/agent.go
+++ b/rw_core/core/device/agent.go
@@ -911,7 +911,7 @@
 	subCtx, cancel := context.WithTimeout(log.WithSpanFromContext(context.Background(), ctx), agent.defaultTimeout)
 	subCtx = coreutils.WithRPCMetadataFromContext(subCtx, ctx)
 
-	ch, err := agent.adapterProxy.ChildDeviceLost(ctx, agent.deviceType, agent.deviceID, device.ParentPortNo, device.ProxyAddress.OnuId)
+	ch, err := agent.adapterProxy.ChildDeviceLost(ctx, agent.deviceType, device)
 	if err != nil {
 		cancel()
 		return err