diff --git a/src/wp-includes/default-filters.php b/src/wp-includes/default-filters.php
index 5a739754b6..9b45abc9fd 100644
--- a/src/wp-includes/default-filters.php
+++ b/src/wp-includes/default-filters.php
@@ -252,7 +252,7 @@ add_action( 'wp_head',             'wp_print_head_scripts',            9    );
 add_action( 'wp_head',             'wp_generator'                           );
 add_action( 'wp_head',             'rel_canonical'                          );
 add_action( 'wp_head',             'wp_shortlink_wp_head',            10, 0 );
-add_action( 'wp_head',             'wp_custom_css_cb',                11    );
+add_action( 'wp_head',             'wp_custom_css_cb',                101   );
 add_action( 'wp_head',             'wp_site_icon',                    99    );
 add_action( 'wp_footer',           'wp_print_footer_scripts',         20    );
 add_action( 'template_redirect',   'wp_shortlink_header',             11, 0 );