diff --git a/packages/taiko-client/driver/chain_syncer/blob/syncer.go b/packages/taiko-client/driver/chain_syncer/blob/syncer.go
index bb7373808bf..37ce3073a8b 100644
--- a/packages/taiko-client/driver/chain_syncer/blob/syncer.go
+++ b/packages/taiko-client/driver/chain_syncer/blob/syncer.go
@@ -345,6 +345,7 @@ func (s *Syncer) insertNewHead(
 		new(big.Int).SetUint64(meta.GetAnchorBlockID()),
 		meta.IsOntakeBlock(),
 		meta.GetBaseFeeConfig(),
+		meta.GetTimestamp(),
 	); err != nil {
 		return nil, err
 	}
diff --git a/packages/taiko-client/pkg/rpc/methods.go b/packages/taiko-client/pkg/rpc/methods.go
index 12ee41ffb80..afd058e8d79 100644
--- a/packages/taiko-client/pkg/rpc/methods.go
+++ b/packages/taiko-client/pkg/rpc/methods.go
@@ -274,6 +274,7 @@ func (c *Client) CalculateBaseFee(
 	anchorBlockID *big.Int,
 	isOntake bool,
 	baseFeeConfig *bindings.TaikoDataBaseFeeConfig,
+	currentTimestamp uint64,
 ) (*big.Int, error) {
 	var (
 		baseFeeInfo struct {
@@ -320,7 +321,7 @@ func (c *Client) CalculateBaseFee(
 		baseFeeInfo, err = c.TaikoL2.CalculateBaseFee(
 			&bind.CallOpts{BlockNumber: l2Head.Number, Context: ctx},
 			*baseFeeConfig,
-			uint64(time.Now().Unix())-l2Head.Time,
+			currentTimestamp-l2Head.Time,
 			parentGasExcess,
 			uint32(l2Head.GasUsed), // #nosec G115
 		)
@@ -384,6 +385,7 @@ func (c *Client) GetPoolContent(
 		l1Head.Number,
 		chainConfig.IsOntake(l2Head.Number),
 		&chainConfig.ProtocolConfigs.BaseFeeConfig,
+		uint64(time.Now().Unix()),
 	)
 	if err != nil {
 		return nil, err