diff --git a/atlas/templates/atlas/case_form.html b/atlas/templates/atlas/case_form.html
index b18f9a30..713fc2cf 100755
--- a/atlas/templates/atlas/case_form.html
+++ b/atlas/templates/atlas/case_form.html
@@ -90,7 +90,7 @@ Use this form to create a atlas case. Existing associated image sets can be adde
         {{ series_formset.empty_form.as_ul }}
     </ul>
 </div>
-<div id="empty_casedifferentian_form" style="display:none">
+<div id="empty_casedifferential_form" style="display:none">
     <ul class='no_error casedifferential_formset'>
         {{ casedifferential_formset.empty_form.as_ul }}
     </ul>