diff --git a/geth/geth_block_to_core_block.go b/geth/geth_block_to_core_block.go
index 256c3f67..58166075 100644
--- a/geth/geth_block_to_core_block.go
+++ b/geth/geth_block_to_core_block.go
@@ -3,8 +3,8 @@ package geth
 import (
 	"github.com/8thlight/vulcanizedb/core"
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/core/types"
-	"strconv"
 )
 
 func gethTransToCoreTrans(transaction *types.Transaction) core.Transaction {
@@ -31,7 +31,7 @@ func GethBlockToCoreBlock(gethBlock *types.Block) core.Block {
 		GasLimit:     gethBlock.GasLimit().Int64(),
 		GasUsed:      gethBlock.GasUsed().Int64(),
 		Hash:         gethBlock.Hash().Hex(),
-		Nonce:        strconv.FormatUint(gethBlock.Nonce(), 10),
+		Nonce:        hexutil.Encode(gethBlock.Header().Nonce[:]),
 		Number:       gethBlock.Number().Int64(),
 		ParentHash:   gethBlock.ParentHash().Hex(),
 		Size:         gethBlock.Size().Int64(),
diff --git a/geth/geth_block_to_core_block_test.go b/geth/geth_block_to_core_block_test.go
index 3eabce16..444f03e6 100644
--- a/geth/geth_block_to_core_block_test.go
+++ b/geth/geth_block_to_core_block_test.go
@@ -5,10 +5,10 @@ import (
 
 	"github.com/8thlight/vulcanizedb/geth"
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/core/types"
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
-	"strconv"
 )
 
 var _ = Describe("Conversion of GethBlock to core.Block", func() {
@@ -38,7 +38,7 @@ var _ = Describe("Conversion of GethBlock to core.Block", func() {
 		Expect(gethBlock.GasLimit).To(Equal(gasLimit))
 		Expect(gethBlock.GasUsed).To(Equal(gasUsed))
 		Expect(gethBlock.Hash).To(Equal(block.Hash().Hex()))
-		Expect(gethBlock.Nonce).To(Equal((strconv.FormatUint(block.Nonce(), 10))))
+		Expect(gethBlock.Nonce).To(Equal(hexutil.Encode(header.Nonce[:])))
 		Expect(gethBlock.Number).To(Equal(number))
 		Expect(gethBlock.ParentHash).To(Equal(block.ParentHash().Hex()))
 		Expect(gethBlock.Size).To(Equal(block.Size().Int64()))