diff --git a/wp-includes/widgets.php b/wp-includes/widgets.php
index dadca24f5..f38da78e5 100644
--- a/wp-includes/widgets.php
+++ b/wp-includes/widgets.php
@@ -935,7 +935,7 @@ function is_dynamic_sidebar() {
  */
 function is_active_sidebar( $index ) {
 	$index = ( is_int($index) ) ? "sidebar-$index" : sanitize_title($index);
-	$sidebars_widgets = get_option( 'sidebars_widgets', array() );
+	$sidebars_widgets = wp_get_sidebars_widgets(false);
 	if ( isset($sidebars_widgets[$index]) && !empty($sidebars_widgets[$index]) )
 		return true;