diff --git a/airtime_mvc/application/views/scripts/preference/index.phtml b/airtime_mvc/application/views/scripts/preference/index.phtml
index 2e0635067..5dbbc2a7c 100644
--- a/airtime_mvc/application/views/scripts/preference/index.phtml
+++ b/airtime_mvc/application/views/scripts/preference/index.phtml
@@ -3,7 +3,7 @@
 <?php $baseUrl = Application_Common_OsPath::getBaseDir(); ?>
 <form method="post" id="pref_form" enctype="application/x-www-form-urlencoded">
     
-    <button name="pref_save" id="pref_save" type="button" class="btn btn-small right-floated"><? echo _("Save") ?></button>
+    <button name="pref_save" id="pref_save" type="button" class="btn btn-inverse right-floated"><? echo _("Save") ?></button>
     <div style="clear:both"></div>
     
     <?php
@@ -11,6 +11,6 @@
         echo $this->form;
     ?>
     <br />
-    <button name="pref_save" id="pref_save" type="button" class="btn btn-small right-floated"><? echo _("Save") ?></button>
+    <button name="pref_save" id="pref_save" type="button" class="btn btn-inverse right-floated"><? echo _("Save") ?></button>
 </form>
 </div>