diff --git a/modules/mod_cck_breadcrumbs/mod_cck_breadcrumbs.php b/modules/mod_cck_breadcrumbs/mod_cck_breadcrumbs.php
index 83e526b1b..eccb5044c 100644
--- a/modules/mod_cck_breadcrumbs/mod_cck_breadcrumbs.php
+++ b/modules/mod_cck_breadcrumbs/mod_cck_breadcrumbs.php
@@ -16,7 +16,7 @@
 $count				=	count( $list );
 $separator			=	modCCKBreadCrumbsHelper::setSeparator( $params->get( 'separator' ) );
 $separator_class	=	$params->get( 'separator_class', 'separator' );
-$moduleclass_sfx	=	htmlspecialchars( $params->get( 'moduleclass_sfx' ) );
+$moduleclass_sfx	=	htmlspecialchars( $params->get( 'moduleclass_sfx' ) ?? '' );
 $class_sfx			=	( $params->get( 'force_moduleclass_sfx', 0 ) == 1 ) ? $moduleclass_sfx : '';
 require JModuleHelper::getLayoutPath( 'mod_cck_breadcrumbs', $params->get( 'layout', 'default' ) );
-?>
\ No newline at end of file
+?>