diff --git a/webform_hints.module b/webform_hints.module
index f302fed..2ffd590 100644
--- a/webform_hints.module
+++ b/webform_hints.module
@@ -123,7 +123,7 @@ function webform_hints_add_title(&$element, $key, $required_label) {
   // Skip the boolean #tree.
   if (is_array($element)) {
     // Element isn't required.
-    if (!$element['#required']) {
+    if (empty($element['#required'])) {
       $required_label = '';
     }