diff --git a/jsonresults.go b/jsonresults.go
index df2e086f..5aaf31d0 100644
--- a/jsonresults.go
+++ b/jsonresults.go
@@ -279,6 +279,12 @@ type SignRawTransactionResult struct {
 	Complete bool   `json:"complete"`
 }
 
+// ListSinceBlockResult models the data from the listsinceblock command.
+type ListSinceBlockResult struct {
+	Transactions []ListTransactionsResult `json:"transactions"`
+	LastBlock    string                   `json:"lastblock"`
+}
+
 // ListUnSpentResult models the data from the ListUnSpentResult command.
 type ListUnSpentResult struct {
 	TxId          string  `json:"txid"`
@@ -489,6 +495,15 @@ func ReadResultCmd(cmd string, message []byte) (Reply, error) {
 		if err == nil {
 			result.Result = res
 		}
+	case "listsinceblock":
+		var res ListSinceBlockResult
+		err = json.Unmarshal(objmap["result"], &res)
+		if err == nil {
+			if res.Transactions == nil {
+				res.Transactions = []ListTransactionsResult{}
+			}
+			result.Result = res
+		}
 	case "listtransactions":
 		var res []ListTransactionsResult
 		err = json.Unmarshal(objmap["result"], &res)
diff --git a/jsonresults_test.go b/jsonresults_test.go
index adbfc11b..6d30fad0 100644
--- a/jsonresults_test.go
+++ b/jsonresults_test.go
@@ -43,6 +43,8 @@ var resulttests = []struct {
 	{"getaddressesbyaccount", []byte(`{"error":null,"id":1,"result":["test"]}`), false, true},
 	{"getmininginfo", []byte(`{"error":null,"id":1,"result":[{"a":"b"}]}`), false, false},
 	{"getmininginfo", []byte(`{"error":null,"id":1,"result":{"generate":true}}`), false, true},
+	{"listsinceblock", []byte(`{"error":null,"id":1,"result":[{"a":"b"}]}`), false, false},
+	{"listsinceblock", []byte(`{"error":null,"id":1,"result":{"lastblock":"something"}}`), false, true},
 	{"validateaddress", []byte(`{"error":null,"id":1,"result":{"isvalid":false}}`), false, true},
 	{"validateaddress", []byte(`{"error":null,"id":1,"result":{false}}`), false, false},
 	{"signrawtransaction", []byte(`{"error":null,"id":1,"result":{"hex":"something","complete":false}}`), false, true},
diff --git a/test_coverage.txt b/test_coverage.txt
index 4ed5f54e..7e6c1d5d 100644
--- a/test_coverage.txt
+++ b/test_coverage.txt
@@ -436,12 +436,12 @@ github.com/conformal/btcjson/jsoncmd.go		 VerifyMessageCmd.UnmarshalJSON		 68.42
 github.com/conformal/btcjson/jsoncmd.go		 SignRawTransactionCmd.MarshalJSON	 66.67% (8/12)
 github.com/conformal/btcjson/jsoncmd.go		 NewLockUnspentCmd			 66.67% (4/6)
 github.com/conformal/btcjson/jsoncmd.go		 NewAddNodeCmd				 66.67% (2/3)
+github.com/conformal/btcjson/jsoncmd.go		 GetBlockCmd.MarshalJSON		 63.64% (7/11)
 github.com/conformal/btcjson/jsonfxns.go	 jsonRpcSend				 62.50% (10/16)
 github.com/conformal/btcjson/jsonapi.go		 rpcCommand				 61.54% (8/13)
-github.com/conformal/btcjson/jsoncmd.go		 GetBlockCmd.MarshalJSON		 60.00% (6/10)
+github.com/conformal/btcjson/jsonresults.go	 ReadResultCmd				 59.12% (81/137)
 github.com/conformal/btcjson/jsoncmd.go		 GetTxOutCmd.UnmarshalJSON		 59.09% (13/22)
 github.com/conformal/btcjson/jsoncmd.go		 LockUnspentCmd.UnmarshalJSON		 57.89% (11/19)
-github.com/conformal/btcjson/jsonresults.go	 ReadResultCmd				 57.25% (75/131)
 github.com/conformal/btcjson/jsonapi.go		 rpcRawCommand				 53.33% (8/15)
 github.com/conformal/btcjson/jsoncmd.go		 GetBlockCmd.UnmarshalJSON		 50.00% (12/24)
 github.com/conformal/btcjson/cmdhelp.go		 GetHelpString				 50.00% (3/6)
@@ -462,5 +462,5 @@ github.com/conformal/btcjson/jsoncmd.go		 unparsableCmd.Method			 0.00% (0/1)
 github.com/conformal/btcjson/jsonapi.go		 TlsRpcRawCommand			 0.00% (0/1)
 github.com/conformal/btcjson/jsonapi.go		 RpcRawCommand				 0.00% (0/1)
 github.com/conformal/btcjson/jsonresults.go	 Vin.IsCoinBase				 0.00% (0/1)
-github.com/conformal/btcjson			 --------------------------------------- 78.51% (2338/2978)
+github.com/conformal/btcjson			 --------------------------------------- 78.56% (2345/2985)