diff --git a/module/testsuite/view/linkcase.html.php b/module/testsuite/view/linkcase.html.php
index 29b9c64d1e..27289f6e51 100644
--- a/module/testsuite/view/linkcase.html.php
+++ b/module/testsuite/view/linkcase.html.php
@@ -76,7 +76,7 @@
     <div class='table-footer'>
       <div class="checkbox-primary check-all"><label><?php echo $lang->selectAll?></label></div>
       <div class='table-actions btn-toolbar show-always'>
-        <?php echo html::submitButton('', '', 'btn btn-secondary');?>
+        <?php echo html::submitButton('', '', 'btn');?>
       </div>
       <div class="table-statistic"></div>
       <?php $pager->show('right', 'pagerjs');?>