diff --git a/modoboa/templates/common/wizard_forms.html b/modoboa/templates/common/wizard_forms.html
index 5d63b4e8e..dd930386d 100644
--- a/modoboa/templates/common/wizard_forms.html
+++ b/modoboa/templates/common/wizard_forms.html
@@ -3,7 +3,7 @@
   <div class="modal-dialog">
     <div class = "modal-content">
         <div class="modal-header">
-          <a class="close" data-dismiss="modal">x</a>
+          <a class="btn btn-default close" data-dismiss="modal">x</a>
           <h3>{{ title }} / <small>{{ subtitle }}</small></h3>
         </div>
         <div class="modal-body">
@@ -29,8 +29,8 @@
               {% endfor %}
             </div>
             {% endfor %}
-              <button type="button" class="btn btn-default" data-dismiss="modal">{% trans "Close" %}</a>
+              <button type="button" class="btn btn-default" data-dismiss="modal">{% trans "Close" %}</button>
           </div>
         </div>
       </div>
-</div>
+</div>
\ No newline at end of file