diff --git a/btcjson/chainsvrresults.go b/btcjson/chainsvrresults.go
index ecc26827..8beebaa5 100644
--- a/btcjson/chainsvrresults.go
+++ b/btcjson/chainsvrresults.go
@@ -25,7 +25,7 @@ type GetBlockHeaderVerboseResult struct {
 	Version       int32   `json:"version"`
 	VersionHex    string  `json:"versionHex"`
 	MerkleRoot    string  `json:"merkleroot"`
-	ClaimTrie     string  `json:"claimtrie"`
+	ClaimTrie     string  `json:"claimtrie,omitempty"`
 	Time          int64   `json:"time"`
 	Nonce         uint64  `json:"nonce"`
 	Bits          string  `json:"bits"`
@@ -82,14 +82,14 @@ type GetBlockVerboseResult struct {
 	Version       int32         `json:"version"`
 	VersionHex    string        `json:"versionHex"`
 	MerkleRoot    string        `json:"merkleroot"`
-	ClaimTrie     string        `json:"claimTrie"`
+	ClaimTrie     string        `json:"claimTrie,omitempty"`
 	Tx            []string      `json:"tx,omitempty"`
 	RawTx         []TxRawResult `json:"rawtx,omitempty"` // Note: this field is always empty when verbose != 2.
 	Time          int64         `json:"time"`
 	Nonce         uint32        `json:"nonce"`
 	Bits          string        `json:"bits"`
 	Difficulty    float64       `json:"difficulty"`
-	PreviousHash  string        `json:"previousblockhash"`
+	PreviousHash  string        `json:"previousblockhash,omitempty"`
 	NextHash      string        `json:"nextblockhash,omitempty"`
 }
 
diff --git a/rpcserver.go b/rpcserver.go
index f337668a..2438f121 100644
--- a/rpcserver.go
+++ b/rpcserver.go
@@ -1188,12 +1188,16 @@ func handleGetBlock(s *rpcServer, cmd interface{}, closeChan <-chan struct{}) (i
 
 	params := s.cfg.ChainParams
 	blockHeader := &blk.MsgBlock().Header
+	var prevHashString string
+	if blockHeight > 0 {
+		prevHashString = blockHeader.PrevBlock.String()
+	}
 	blockReply := btcjson.GetBlockVerboseResult{
 		Hash:          c.Hash,
 		Version:       blockHeader.Version,
 		VersionHex:    fmt.Sprintf("%08x", blockHeader.Version),
 		MerkleRoot:    blockHeader.MerkleRoot.String(),
-		PreviousHash:  blockHeader.PrevBlock.String(),
+		PreviousHash:  prevHashString,
 		Nonce:         blockHeader.Nonce,
 		Time:          blockHeader.Timestamp.Unix(),
 		Confirmations: int64(1 + best.Height - blockHeight),
@@ -1204,6 +1208,7 @@ func handleGetBlock(s *rpcServer, cmd interface{}, closeChan <-chan struct{}) (i
 		Bits:          strconv.FormatInt(int64(blockHeader.Bits), 16),
 		Difficulty:    getDifficultyRatio(blockHeader.Bits, params),
 		NextHash:      nextHashString,
+		ClaimTrie:     blockHeader.ClaimTrie.String(),
 	}
 
 	if *c.Verbosity == 1 {