diff --git a/consensus/consensus.go b/consensus/consensus.go
index 63f18a85e..9718ac185 100644
--- a/consensus/consensus.go
+++ b/consensus/consensus.go
@@ -53,8 +53,6 @@ type Consensus struct {
 	phase FBFTPhase
 	// current indicates what state a node is in
 	current State
-	// isBackup declarative the node is in backup mode
-	isBackup bool
 	// 2 types of timeouts: normal and viewchange
 	consensusTimeout map[TimeoutType]*utils.Timeout
 	// Commits collected from validators.
@@ -254,9 +252,7 @@ func (consensus *Consensus) getConsensusLeaderPrivateKey() (*bls.PrivateKeyWrapp
 }
 
 func (consensus *Consensus) IsBackup() bool {
-	consensus.mutex.RLock()
-	defer consensus.mutex.RUnlock()
-	return consensus.isBackup
+	return consensus.registry.IsBackup()
 }
 
 func (consensus *Consensus) BlockNum() uint64 {
diff --git a/consensus/consensus_service.go b/consensus/consensus_service.go
index d658fe83d..8e9479e93 100644
--- a/consensus/consensus_service.go
+++ b/consensus/consensus_service.go
@@ -199,11 +199,11 @@ func (consensus *Consensus) setMode(m Mode) {
 // SetIsBackup sets the mode of consensus
 func (consensus *Consensus) SetIsBackup(isBackup bool) {
 	consensus.mutex.Lock()
-	defer consensus.mutex.Unlock()
 	consensus.getLogger().Debug().
 		Bool("IsBackup", isBackup).
 		Msg("[SetIsBackup]")
-	consensus.isBackup = isBackup
+	consensus.mutex.Unlock()
+	consensus.registry.SetIsBackup(isBackup)
 }
 
 // Mode returns the mode of consensus
diff --git a/consensus/consensus_v2.go b/consensus/consensus_v2.go
index 33ba54b1d..6c32337fa 100644
--- a/consensus/consensus_v2.go
+++ b/consensus/consensus_v2.go
@@ -106,7 +106,7 @@ func (consensus *Consensus) HandleMessageUpdate(ctx context.Context, peer libp2p
 		consensus.isLeader()
 
 	// if in backup normal mode, force ignore view change event and leader event.
-	if consensus.isBackup {
+	if consensus.registry.IsBackup() {
 		canHandleViewChange = false
 		intendedForLeader = false
 	}
diff --git a/consensus/validator.go b/consensus/validator.go
index 2f14f76b4..015bfb592 100644
--- a/consensus/validator.go
+++ b/consensus/validator.go
@@ -133,7 +133,7 @@ func (consensus *Consensus) validateNewBlock(recvMsg *FBFTMessage) (*types.Block
 }
 
 func (consensus *Consensus) prepare() {
-	if consensus.isBackup {
+	if consensus.registry.IsBackup() {
 		return
 	}
 
@@ -152,7 +152,7 @@ func (consensus *Consensus) prepare() {
 
 // sendCommitMessages send out commit messages to leader
 func (consensus *Consensus) sendCommitMessages(blockObj *types.Block) {
-	if consensus.isBackup || blockObj == nil {
+	if consensus.IsBackup() || blockObj == nil {
 		return
 	}
 
diff --git a/consensus/view_change.go b/consensus/view_change.go
index f55c5400f..9e77b19b5 100644
--- a/consensus/view_change.go
+++ b/consensus/view_change.go
@@ -231,7 +231,7 @@ func createTimeout() map[TimeoutType]*utils.Timeout {
 
 // startViewChange start the view change process
 func (consensus *Consensus) startViewChange() {
-	if consensus.disableViewChange || consensus.isBackup {
+	if consensus.disableViewChange || consensus.registry.IsBackup() {
 		return
 	}