diff --git a/packages/taiko-client/prover/event_handler/block_verified.go b/packages/taiko-client/prover/event_handler/block_verified.go
index 41be0253928..c3a41319af3 100644
--- a/packages/taiko-client/prover/event_handler/block_verified.go
+++ b/packages/taiko-client/prover/event_handler/block_verified.go
@@ -22,10 +22,6 @@ func NewBlockVerifiedEventHandler(guardianProverAddress common.Address) *BlockVe
 func (h *BlockVerifiedEventHandler) Handle(e *bindings.TaikoL1ClientBlockVerified) {
 	metrics.ProverLatestVerifiedIDGauge.Set(float64(e.BlockId.Uint64()))
 
-	if e.Prover == h.guardianProverAddress {
-		metrics.ProverProvenByGuardianGauge.Set(1)
-	}
-
 	log.Info(
 		"New verified block",
 		"blockID", e.BlockId,
diff --git a/packages/taiko-client/prover/event_handler/transition_proved.go b/packages/taiko-client/prover/event_handler/transition_proved.go
index 21416b5c513..2c520ad5d14 100644
--- a/packages/taiko-client/prover/event_handler/transition_proved.go
+++ b/packages/taiko-client/prover/event_handler/transition_proved.go
@@ -48,6 +48,10 @@ func (h *TransitionProvedEventHandler) Handle(
 ) error {
 	metrics.ProverReceivedProvenBlockGauge.Set(float64(e.BlockId.Uint64()))
 
+	if e.Tier >= encoding.TierGuardianMinorityID {
+		metrics.ProverProvenByGuardianGauge.Add(1)
+	}
+
 	// If this prover is in contest mode, we check the validity of this proof and if it's invalid,
 	// contest it with a higher tier proof.
 	if !h.contesterMode {