diff --git a/Makefile b/Makefile
new file mode 100644
index 00000000..63c3bfc8
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,3 @@
+release:
+	GOOS=linux GOARCH=amd64 go build -o ~/Downloads/janus-linux-amd64 github.com/dcb9/janus/cli/janus
+	GOOS=darwin GOARCH=amd64 go build -o ~/Downloads/janus-darwin-amd64 github.com/dcb9/janus/cli/janus
diff --git a/pkg/qtum/rpc_types.go b/pkg/qtum/rpc_types.go
index b07d228f..028cbf90 100644
--- a/pkg/qtum/rpc_types.go
+++ b/pkg/qtum/rpc_types.go
@@ -195,9 +195,10 @@ func (r *SendToContractRequest) MarshalJSON() ([]byte, error) {
 
 type (
 	CreateContractRequest struct {
-		ByteCode string
-		GasLimit *big.Int
-		GasPrice string
+		ByteCode      string
+		GasLimit      *big.Int
+		GasPrice      string
+		SenderAddress string
 	}
 	/*
 	   {
@@ -228,6 +229,7 @@ func (r *CreateContractRequest) MarshalJSON() ([]byte, error) {
 		r.ByteCode,
 		r.GasLimit,
 		r.GasPrice,
+		r.SenderAddress,
 	})
 }
 
diff --git a/pkg/transformer/eth_sendTransaction.go b/pkg/transformer/eth_sendTransaction.go
index 9aa3b01f..0f2e05bd 100644
--- a/pkg/transformer/eth_sendTransaction.go
+++ b/pkg/transformer/eth_sendTransaction.go
@@ -124,6 +124,18 @@ func (p *ProxyETHSendTransaction) requestCreateContract(req *eth.SendTransaction
 		GasPrice: gasPrice,
 	}
 
+	if req.From != "" {
+		from := req.From
+		if utils.IsEthHexAddress(from) {
+			from, err = p.FromHexAddress(from)
+			if err != nil {
+				return nil, err
+			}
+		}
+
+		qtumreq.SenderAddress = from
+	}
+
 	var resp *qtum.CreateContractResponse
 	if err := p.Qtum.Request(qtum.MethodCreateContract, qtumreq, &resp); err != nil {
 		return nil, err
diff --git a/playground/myToken.js b/playground/myToken.js
index c7981d83..803dad15 100644
--- a/playground/myToken.js
+++ b/playground/myToken.js
@@ -1,5 +1,5 @@
 // YOUR_QTUM_ACCOUNT
-const qtumAccount = "0xcb3cb8375fe457a11f041f9ff55373e1a5a78d19"
+const qtumAccount = "0x2352be3db3177f0a07efbe6da5857615b8c9901d"
 
 // assume: node 8 or above
 const ora = require("ora")
diff --git a/playground/test-SimpleStore.js b/playground/test-SimpleStore.js
index 6bb4977a..914b5019 100644
--- a/playground/test-SimpleStore.js
+++ b/playground/test-SimpleStore.js
@@ -1,5 +1,5 @@
 // YOUR_QTUM_ACCOUNT
-const qtumAccount = "0xcb3cb8375fe457a11f041f9ff55373e1a5a78d19"
+const qtumAccount = "0x2352be3db3177f0a07efbe6da5857615b8c9901d"
 
 const qtum = require("qtumjs")
 const rpc = new qtum.EthRPC(`http://${qtumAccount}:@localhost:23889`, qtumAccount)