diff --git a/lib/wallet.js b/lib/wallet.js
index 23ac8dc87..7f8bedc8f 100644
--- a/lib/wallet.js
+++ b/lib/wallet.js
@@ -238,6 +238,7 @@ utils.defineProperty(Wallet.prototype, 'sendTransaction', function(transaction)
         Promise.all([gasPrice, nonce]).then(function(results) {
             var signedTransaction = self.sign({
                 to: transaction.to,
+                data: transaction.data,
                 gasLimit: gasLimit,
                 gasPrice: results[0],
                 nonce: results[1],
diff --git a/package.json b/package.json
index 36aefbf00..4e71c181a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ethers-wallet",
-  "version": "1.0.8",
+  "version": "1.0.9",
   "description": "Ethereum wallet library.",
   "main": "index.js",
   "scripts": {