diff --git a/core/blockchain.go b/core/blockchain.go
index ddf3211b43..881ab886a3 100644
--- a/core/blockchain.go
+++ b/core/blockchain.go
@@ -1773,8 +1773,8 @@ func (bc *BlockChain) GetBitcoinAttributesForNextBlock(timestamp uint64) (*types
 	// if len(headersToAdd) > types.MaximumBtcHeadersInTx {
 	// 	headersToAdd = headersToAdd[0:types.MaximumBtcHeadersInTx]
 	// }
-	if len(headersToAdd) > 6 {
-		headersToAdd = headersToAdd[0:6]
+	if len(headersToAdd) > 3 {
+		headersToAdd = headersToAdd[0:3]
 	}
 	log.Info(fmt.Sprintf("Headers to add while generating Bitcoin Attributes Deposited transaction: %d", headersToAdd))
 
diff --git a/core/vm/contracts.go b/core/vm/contracts.go
index ba8b9c75b5..b8670f140a 100644
--- a/core/vm/contracts.go
+++ b/core/vm/contracts.go
@@ -821,7 +821,7 @@ var hvmContractsToAddress = map[reflect.Type][]byte{
 	reflect.TypeOf(&btcAddrToScript{}):      {0x46},
 	reflect.TypeOf(&btcInputByTxid{}):       {0x47},
 	reflect.TypeOf(&btcOutputByTxid{}):      {0x48},
-	reflect.TypeOf(&btcTxGetInputWitness{}): {0x48},
+	reflect.TypeOf(&btcTxGetInputWitness{}): {0x49},
 }
 
 var PrecompiledContractsHvm0 = map[common.Address]PrecompiledContract{