diff --git a/static/js/hugo-learn.js b/static/js/hugo-learn.js
index b20313a2cc..213e31e993 100644
--- a/static/js/hugo-learn.js
+++ b/static/js/hugo-learn.js
@@ -21,7 +21,9 @@ var images = $("div#body-inner img").not(".inline");
 // Wrap image inside a featherlight (to get a full size view in a popup)
 images.wrap(function(){
   var image =$(this);
-  return "<a href='" + image[0].src + "' data-featherlight='image'></a>";
+  if (!image.parent("a").length) {
+    return "<a href='" + image[0].src + "' data-featherlight='image'></a>";
+  }
 });
 
 // Change styles, depending on parameters set to the image