diff --git a/format.js b/format.js
index 047ad7aea60508619ab206b876c59be8b099394a..c6b7afbe301641dcb9862f61d4697f77d0746f8f 100644
--- a/format.js
+++ b/format.js
@@ -73,7 +73,7 @@ M.course.format.process_sections = function(Y, sectionlist, response, sectionfro
 };
 
 (function () {
-    $(".description-inner").each(function(index){
+    $(".iena-description .description-inner").each(function(index){
         if(parseInt($( this ).css('height'))<=144){
             $(this).parent().next().hide();
         }