diff --git a/bin/convert-txs.js b/bin/convert-txs.js
old mode 100644
new mode 100755
index ce023f9f..4ed380d5
--- a/bin/convert-txs.js
+++ b/bin/convert-txs.js
@@ -1,3 +1,5 @@
+#!/usr/bin/env node
+
 var fs = require('fs')
 var pgp = require('pg-promise')()