diff --git a/lam/lib/html.inc b/lam/lib/html.inc
index b8f6e939..ee7fb99a 100644
--- a/lam/lib/html.inc
+++ b/lam/lib/html.inc
@@ -1766,7 +1766,7 @@ class htmlFieldset extends htmlElement {
 	 * @return array List of input field names and their type (name => type)
 	 */
 	function generateHTML($module, $input, $values, $restricted, &$tabindex, $scope) {
-		echo "<fieldset>\n";
+		echo "<fieldset class=\"ui-corner-all\">\n";
 		// generate legend
 		if (($this->label != null) || ($this->labelImage != null)) {
 			echo "<legend>";