diff --git a/consensus/ising/proposercache.go b/consensus/ising/proposercache.go
index 510fabb66..dc0d2fe01 100644
--- a/consensus/ising/proposercache.go
+++ b/consensus/ising/proposercache.go
@@ -64,7 +64,7 @@ func (pc *ProposerCache) Add(height uint32, votingContent voting.VotingContent)
 			return
 		}
 		var id uint64
-		err = binary.Read(bytes.NewBuffer(chordID[:8]), binary.LittleEndian, &id)
+		err = binary.Read(bytes.NewBuffer(chordID), binary.LittleEndian, &id)
 		if err != nil {
 			log.Error(err)
 		}
diff --git a/net/node/node.go b/net/node/node.go
index 3a7bce4fc..7e3b01d18 100644
--- a/net/node/node.go
+++ b/net/node/node.go
@@ -177,7 +177,7 @@ func InitNode(pubKey *crypto.PubKey, ring *chord.Ring) Noder {
 	}
 	n.chordAddr = chordVnode.Id
 
-	err = binary.Read(bytes.NewBuffer(n.chordAddr[:8]), binary.LittleEndian, &(n.id))
+	err = binary.Read(bytes.NewBuffer(n.chordAddr), binary.LittleEndian, &(n.id))
 	if err != nil {
 		log.Error(err)
 	}