diff --git a/pages/calendar.html b/pages/calendar.html
index bd8a4dd80..4894c50e2 100644
--- a/pages/calendar.html
+++ b/pages/calendar.html
@@ -658,7 +658,7 @@
                     <input id="new-event" type="text" class="form-control" placeholder="Event Title">
 
                     <div class="input-group-append">
-                      <button id="add-new-event" type="button" class="btn btn-primary btn-flat">Add</button>
+                      <button id="add-new-event" type="button" class="btn btn-primary">Add</button>
                     </div>
                     <!-- /btn-group -->
                   </div>