diff --git a/lib/6to5/transformation/transformers/es6-classes.js b/lib/6to5/transformation/transformers/es6-classes.js
index 6363138079..f43f522f60 100644
--- a/lib/6to5/transformation/transformers/es6-classes.js
+++ b/lib/6to5/transformation/transformers/es6-classes.js
@@ -82,6 +82,8 @@ Class.prototype.run = function () {
 
   this.buildBody();
 
+  t.inheritsComments(body[0], this.node);
+
   if (this.closure) {
     if (body.length === 1) {
       // only a constructor so no need for a closure container