diff --git a/src/script.js b/src/script.js
index 003e95f..793f227 100644
--- a/src/script.js
+++ b/src/script.js
@@ -419,7 +419,7 @@ Script.createMultisigOutputScript = function(m, pubKeys) {
 }
 
 // {signature} {pubKey}
-Script.createInputScript = function(signature, pubKey) {
+Script.createPubKeyHashScriptSig = function(signature, pubKey) {
   var script = new Script()
   script.writeBytes(signature)
   script.writeBytes(pubKey.toBuffer())
diff --git a/src/transaction.js b/src/transaction.js
index c610056..f346125 100644
--- a/src/transaction.js
+++ b/src/transaction.js
@@ -320,7 +320,7 @@ Transaction.prototype.sign = function(index, key, type, network) {
   var script = Script.createOutputScript(address, network)
   var signature = this.signScriptSig(index, script, key, type)
 
-  var scriptSig = Script.createInputScript(signature, key.pub)
+  var scriptSig = Script.createPubKeyHashScriptSig(signature, key.pub)
   this.setScriptSig(index, scriptSig)
 }