diff --git a/src/scripts.js b/src/scripts.js
index ac6d6e5..0ffb1e0 100644
--- a/src/scripts.js
+++ b/src/scripts.js
@@ -267,5 +267,9 @@ module.exports = {
   pubKeyHashInput: pubKeyHashInput,
   scriptHashInput: scriptHashInput,
   multisigInput: multisigInput,
+  dataOutput: function(data) {
+    console.warn('dataOutput is deprecated, use nullDataOutput by 2.0.0')
+    return nullDataOutput(data)
+  },
   nullDataOutput: nullDataOutput
 }