diff --git a/layouts/joomla/form/field/radio.php b/layouts/joomla/form/field/radio.php
index 82f87fdb0c5ad..040a02dd14fe0 100644
--- a/layouts/joomla/form/field/radio.php
+++ b/layouts/joomla/form/field/radio.php
@@ -64,9 +64,10 @@
 		<?php foreach ($options as $i => $option) : ?>
 			<?php
 				// Initialize some option attributes.
-				$checked  = ((string) $option->value === $value) ? 'checked="checked"' : '';
-				$disabled = !empty($option->disable) ? 'disabled' : '';
-				$style    = $disabled ? 'style="pointer-events: none"' : '';
+				$checked        = ((string) $option->value === $value) ? 'checked="checked"' : '';
+				$disabled       = !empty($option->disable) ? 'disabled' : '';
+				$style          = $disabled ? 'style="pointer-events: none"' : '';
+				$option->class  = !empty($option->class) ? $option->class : '';
 				$option->class  = trim($option->class . ' ' . $disabled);
 				$optionClass    = !empty($option->class) ? 'class="' . $option->class . '"' : '';