diff --git a/omci_common.go b/omci_common.go
index a140141..3fa4408 100644
--- a/omci_common.go
+++ b/omci_common.go
@@ -30,6 +30,7 @@
 }
 
 type OnuKey struct {
+	OltId int
 	IntfId, OnuId uint32
 }
 
@@ -56,7 +57,7 @@
 
 	case ONUG:
 		pos := uint(11)
-		pkt, _ = GetOnuGAttributes(&pos, pkt, content)
+		pkt, _ = GetOnuGAttributes(&pos, pkt, content, key)
 		return pkt
 
 	case ONU2G: