diff --git a/src/wp-includes/class-wp-customize-widgets.php b/src/wp-includes/class-wp-customize-widgets.php
index ca171b2e57..f65e7bfe48 100644
--- a/src/wp-includes/class-wp-customize-widgets.php
+++ b/src/wp-includes/class-wp-customize-widgets.php
@@ -1694,6 +1694,7 @@ final class WP_Customize_Widgets {
 	 * @param int|string $index Index, name, or ID of the dynamic sidebar.
 	 */
 	public function end_dynamic_sidebar( $index ) {
+		array_shift( $this->current_dynamic_sidebar_id_stack );
 		if ( ! $this->manager->selective_refresh->is_render_partials_request() ) {
 			printf( "\n<!--dynamic_sidebar_after:%s:%d-->\n", esc_html( $index ), intval( $this->sidebar_instance_count[ $index ] ) );
 		}