diff --git a/src/transaction.js b/src/transaction.js
index cbd316c..676a53c 100644
--- a/src/transaction.js
+++ b/src/transaction.js
@@ -117,7 +117,7 @@ Transaction.prototype.addInput = function (hash, index, sequence, scriptSig) {
 }
 
 Transaction.prototype.addOutput = function (scriptPubKey, value) {
-  typeforce(types.tuple(types.Buffer, types.UInt53), arguments)
+  typeforce(types.tuple(types.Buffer, types.Satoshi), arguments)
 
   // Add the output and return the output's index
   return (this.outs.push({
diff --git a/src/types.js b/src/types.js
index 007d3b2..1dbdcc5 100644
--- a/src/types.js
+++ b/src/types.js
@@ -31,7 +31,7 @@ var Network = typeforce.compile({
   pubKeyHash: typeforce.UInt8,
   scriptHash: typeforce.UInt8,
   wif: typeforce.UInt8,
-  dustThreshold: typeforce.UInt53
+  dustThreshold: Satoshi
 })
 
 // extend typeforce types with ours