diff --git a/app/assets/javascripts/editor/editor.js.erb b/app/assets/javascripts/editor/editor.js.erb
index 2a0a8b35..a252041d 100644
--- a/app/assets/javascripts/editor/editor.js.erb
+++ b/app/assets/javascripts/editor/editor.js.erb
@@ -262,10 +262,10 @@ var CodeOceanEditor = {
 
   initializeFileTree: function () {
     $('#files').jstree($('#files').data('entries'));
-    $('#files').on('click', 'li.jstree-leaf', function () {
+    $('#files').on('click', 'li.jstree-leaf', function (event) {
       active_file = {
-        filename: $(this).text(),
-        id: parseInt($(this).attr('id'))
+        filename: $(event.target).parent().text(),
+        id: parseInt($(event.target).parent().attr('id'))
       };
       var frame = $('[data-file-id="' + active_file.id + '"]').parent();
       this.showFrame(frame);