diff --git a/wp-includes/kses.php b/wp-includes/kses.php
index 861fe18505..bf81981cd5 100644
--- a/wp-includes/kses.php
+++ b/wp-includes/kses.php
@@ -534,6 +534,7 @@ function kses_init_filters() {
 
 	// Post filtering
 	add_filter('content_save_pre', 'wp_filter_post_kses');
+	add_filter('excerpt_save_pre', 'wp_filter_post_kses');
 	add_filter('content_filtered_save_pre', 'wp_filter_post_kses');
 }
 
@@ -544,6 +545,7 @@ function kses_remove_filters() {
 
 	// Post filtering
 	remove_filter('content_save_pre', 'wp_filter_post_kses');
+	remove_filter('excerpt_save_pre', 'wp_filter_post_kses');
 	remove_filter('content_filtered_save_pre', 'wp_filter_post_kses');
 }