diff --git a/administrator/modules/mod_login/tmpl/default.php b/administrator/modules/mod_login/tmpl/default.php
index 7dd078284a7..8c6aac130ca 100644
--- a/administrator/modules/mod_login/tmpl/default.php
+++ b/administrator/modules/mod_login/tmpl/default.php
@@ -98,7 +98,7 @@ class="form-control"
 			</div>
 		<?php endif; ?>
 		<div class="form-group">
-			<button class="btn btn-solid-primary btn-block btn-md"
+			<button class="btn btn-primary btn-block btn-md"
 				id="btn-login-submit"><?php echo Text::_('JLOGIN'); ?></button>
 		</div>
 		<input type="hidden" name="option" value="com_login">