diff --git a/app/views/admin/hps_learnings/index.html.erb b/app/views/admin/hps_learnings/index.html.erb
index 375d4ed..39fd6c6 100644
--- a/app/views/admin/hps_learnings/index.html.erb
+++ b/app/views/admin/hps_learnings/index.html.erb
@@ -9,7 +9,7 @@
   <tbody>
     <% @classes.each do |clas| %>
       <tr>
-        <% if !clas.course_pic.url.empty? %>
+        <% if !clas.course_pic.url.nil? %>
           <td><img width="150px" src="<%= clas.course_pic.thumb.url %>" /></td>
         <% else %>
           <td>&nbsp;</td>