diff --git a/packages/babylon/src/parser/comments.js b/packages/babylon/src/parser/comments.js
index 9c5d58070f..3b8345fa65 100644
--- a/packages/babylon/src/parser/comments.js
+++ b/packages/babylon/src/parser/comments.js
@@ -74,7 +74,7 @@ pp.processComment = function (node) {
 
   if (lastChild) {
     if (lastChild.leadingComments) {
-      if (last(lastChild.leadingComments).end < node.start) {
+      if (lastChild !== node && last(lastChild.leadingComments).end <= node.start) {
         node.leadingComments = lastChild.leadingComments;
         lastChild.leadingComments = null;
       } else {