diff --git a/walker.taxonomy-single-term.php b/walker.taxonomy-single-term.php
index 559a43b..fc56ab9 100644
--- a/walker.taxonomy-single-term.php
+++ b/walker.taxonomy-single-term.php
@@ -81,9 +81,9 @@ public function start_el( &$output, $term, $depth = 0, $args = array(), $id = 0
 		$in_selected   = in_array( $term->term_id, $selected_cats );
 
 		$args = array(
-			'id'            => $taxonomy .'-'. $term->term_id,
-			'name'          => $name,
-			'value'         => $value,
+			'id'            => esc_attr( $taxonomy .'-'. $term->term_id ),
+			'name'          => esc_attr( $name ),
+			'value'         => esc_attr( $value ),
 			'checked'       => checked( $in_selected, true, false ),
 			'selected'      => selected( $in_selected, true, false ),
 			'disabled'      => disabled( empty( $args['disabled'] ), false, false ),