diff --git a/lib/web3/eth.js b/lib/web3/eth.js
index 1c35dd5..3e119e8 100644
--- a/lib/web3/eth.js
+++ b/lib/web3/eth.js
@@ -171,7 +171,7 @@ var sendRawTransaction = new Method({
     name: 'sendRawTransaction',
     call: 'eth_sendRawTransaction',
     params: 1,
-    inputFormatter: []
+    inputFormatter: [null]
 });
 
 var sendTransaction = new Method({