diff --git a/lib/6to5/generation/buffer.js b/lib/6to5/generation/buffer.js
index afd9c4dd23..fdd53b0659 100644
--- a/lib/6to5/generation/buffer.js
+++ b/lib/6to5/generation/buffer.js
@@ -14,11 +14,11 @@ Buffer.prototype.get = function () {
   return util.trimRight(this.buf);
 };
 
-Buffer.prototype.getIndent = function () {
+Buffer.prototype.getIndent = function (i) {
   if (this.format.compact) {
     return "";
   } else {
-    return util.repeat(this._indent, this.format.indent.style);
+    return util.repeat(i || this._indent, this.format.indent.style);
   }
 };