diff --git a/lib/6to5/file.js b/lib/6to5/file.js
index 17ecaaf143..0da0505506 100644
--- a/lib/6to5/file.js
+++ b/lib/6to5/file.js
@@ -98,6 +98,8 @@ File.prototype.errorWithNode = function (node, msg) {
 File.prototype.parse = function (code) {
   var self = this;
 
+  code = code.trimRight() + "\n";
+
   this.code = code;
   code = this.parseShebang(code);