diff --git a/pkg/rpc/client/rpc_test.go b/pkg/rpc/client/rpc_test.go
index 838a91ad2..feaaca5c8 100644
--- a/pkg/rpc/client/rpc_test.go
+++ b/pkg/rpc/client/rpc_test.go
@@ -469,7 +469,7 @@ var rpcClientTestCases = map[string][]rpcClientTestCase{
 				}
 				return c.GetBlockHeaderVerbose(hash)
 			},
-			serverResponse: `{"id":1,"jsonrpc":"2.0","result":{"hash":"0xe93d17a52967f9e69314385482bf86f85260e811b46bf4d4b261a7f4135a623c","size":442,"version":0,"previousblockhash":"0x996e37358dc369912041f966f8c5d8d3a8255ba5dcbd3447f8a82b55db869099","merkleroot":"0xcb6ddb5f99d6af4c94a6c396d5294472f2eebc91a2c933e0f527422296fa9fb2","time":1541215200,"index":1,"nonce":"51b484a2fe49ed4d","nextconsensus":"AZ81H31DMWzbSnFDLFkzh9vHwaDLayV7fU","script":{"invocation":"40356a91d94e398170e47447d6a0f60aa5470e209782a5452403115a49166db3e1c4a3898122db19f779c30f8ccd0b7d401acdf71eda340655e4ae5237a64961bf4034dd47955e5a71627dafc39dd92999140e9eaeec6b11dbb2b313efa3f1093ed915b4455e199c69ec53778f94ffc236b92f8b97fff97a1f6bbb3770c0c0b3844a40fbe743bd5c90b2f5255e0b073281d7aeb2fb516572f36bec8446bcc37ac755cbf10d08b16c95644db1b2dddc2df5daa377880b20198fc7b967ac6e76474b22df","verification":"532102103a7f7dd016558597f7960d27c516a4394fd968b9e65155eb4b013e4040406e2102a7bc55fe8684e0119768d104ba30795bdcc86619e864add26156723ed185cd622102b3622bf4017bdfe317c58aed5f4c753f206b7db896046fa7d774bbc4bf7f8dc22103d90c07df63e690ce77912e10ab51acc944b66860237b608c4f8f8309e71ee69954ae"},"confirmations":20061,"nextblockhash":"0xcc37d5bc460e72c9423015cb8d579c13e7b03b93bfaa1a23cf4fa777988e035f"}}`,
+			serverResponse: `{"id":1,"jsonrpc":"2.0","result":{"hash":"0xe93d17a52967f9e69314385482bf86f85260e811b46bf4d4b261a7f4135a623c","size":442,"version":0,"previousblockhash":"0x996e37358dc369912041f966f8c5d8d3a8255ba5dcbd3447f8a82b55db869099","merkleroot":"0xcb6ddb5f99d6af4c94a6c396d5294472f2eebc91a2c933e0f527422296fa9fb2","time":1541215200,"index":1,"nonce":"51b484a2fe49ed4d","nextconsensus":"AZ81H31DMWzbSnFDLFkzh9vHwaDLayV7fU","witnesses":[{"invocation":"40356a91d94e398170e47447d6a0f60aa5470e209782a5452403115a49166db3e1c4a3898122db19f779c30f8ccd0b7d401acdf71eda340655e4ae5237a64961bf4034dd47955e5a71627dafc39dd92999140e9eaeec6b11dbb2b313efa3f1093ed915b4455e199c69ec53778f94ffc236b92f8b97fff97a1f6bbb3770c0c0b3844a40fbe743bd5c90b2f5255e0b073281d7aeb2fb516572f36bec8446bcc37ac755cbf10d08b16c95644db1b2dddc2df5daa377880b20198fc7b967ac6e76474b22df","verification":"532102103a7f7dd016558597f7960d27c516a4394fd968b9e65155eb4b013e4040406e2102a7bc55fe8684e0119768d104ba30795bdcc86619e864add26156723ed185cd622102b3622bf4017bdfe317c58aed5f4c753f206b7db896046fa7d774bbc4bf7f8dc22103d90c07df63e690ce77912e10ab51acc944b66860237b608c4f8f8309e71ee69954ae"}],"confirmations":20061,"nextblockhash":"0xcc37d5bc460e72c9423015cb8d579c13e7b03b93bfaa1a23cf4fa777988e035f"}}`,
 			result: func(c *Client) interface{} {
 				hash, err := util.Uint256DecodeStringLE("e93d17a52967f9e69314385482bf86f85260e811b46bf4d4b261a7f4135a623c")
 				if err != nil {
@@ -506,10 +506,10 @@ var rpcClientTestCases = map[string][]rpcClientTestCase{
 					Index:         1,
 					NextConsensus: "AZ81H31DMWzbSnFDLFkzh9vHwaDLayV7fU",
 					Confirmations: 20061,
-					Script: transaction.Witness{
+					Witnesses: []transaction.Witness{{
 						InvocationScript:   invScript,
 						VerificationScript: verifScript,
-					},
+					}},
 				}
 			},
 		},
diff --git a/pkg/rpc/response/result/block_header.go b/pkg/rpc/response/result/block_header.go
index 1eeabd4eb..6e087883e 100644
--- a/pkg/rpc/response/result/block_header.go
+++ b/pkg/rpc/response/result/block_header.go
@@ -13,17 +13,17 @@ type (
 	// Header wrapper used for the representation of
 	// block header on the RPC Server.
 	Header struct {
-		Hash          util.Uint256        `json:"hash"`
-		Size          int                 `json:"size"`
-		Version       uint32              `json:"version"`
-		PrevBlockHash util.Uint256        `json:"previousblockhash"`
-		MerkleRoot    util.Uint256        `json:"merkleroot"`
-		Timestamp     uint64              `json:"time"`
-		Index         uint32              `json:"index"`
-		NextConsensus string              `json:"nextconsensus"`
-		Script        transaction.Witness `json:"script"`
-		Confirmations uint32              `json:"confirmations"`
-		NextBlockHash *util.Uint256       `json:"nextblockhash,omitempty"`
+		Hash          util.Uint256          `json:"hash"`
+		Size          int                   `json:"size"`
+		Version       uint32                `json:"version"`
+		PrevBlockHash util.Uint256          `json:"previousblockhash"`
+		MerkleRoot    util.Uint256          `json:"merkleroot"`
+		Timestamp     uint64                `json:"time"`
+		Index         uint32                `json:"index"`
+		NextConsensus string                `json:"nextconsensus"`
+		Witnesses     []transaction.Witness `json:"witnesses"`
+		Confirmations uint32                `json:"confirmations"`
+		NextBlockHash *util.Uint256         `json:"nextblockhash,omitempty"`
 	}
 )
 
@@ -38,7 +38,7 @@ func NewHeader(h *block.Header, chain blockchainer.Blockchainer) Header {
 		Timestamp:     h.Timestamp,
 		Index:         h.Index,
 		NextConsensus: address.Uint160ToString(h.NextConsensus),
-		Script:        h.Script,
+		Witnesses:     []transaction.Witness{h.Script},
 		Confirmations: chain.BlockHeight() - h.Index + 1,
 	}
 
diff --git a/pkg/rpc/server/server_test.go b/pkg/rpc/server/server_test.go
index 5af4908c1..1bcb382b5 100644
--- a/pkg/rpc/server/server_test.go
+++ b/pkg/rpc/server/server_test.go
@@ -1041,7 +1041,7 @@ func testRPCProtocol(t *testing.T, doRPCCall func(string, string, *testing.T) []
 				Timestamp:     hdr.Timestamp,
 				Index:         hdr.Index,
 				NextConsensus: address.Uint160ToString(hdr.NextConsensus),
-				Script:        hdr.Script,
+				Witnesses:     []transaction.Witness{hdr.Script},
 				Confirmations: e.chain.BlockHeight() - hdr.Index + 1,
 				NextBlockHash: &nextHash,
 			}