diff --git a/src/js/_enqueues/admin/postbox.js b/src/js/_enqueues/admin/postbox.js
index b6d1b6569dc84..c7b159fbec918 100644
--- a/src/js/_enqueues/admin/postbox.js
+++ b/src/js/_enqueues/admin/postbox.js
@@ -657,4 +657,14 @@
 		pbhide : false
 	};
 
+	/*
+	 * @since 7.0.0
+	 * @see https://core.trac.wordpress.org/ticket/17704
+	 */
+	$( function() {
+		if ( typeof window.pagenow !== 'undefined' && ! postboxes.page && $( '.postbox' ).length ) {
+			postboxes.add_postbox_toggles( window.pagenow );
+		}
+	} );
+
 }(jQuery));
diff --git a/src/wp-admin/includes/class-wp-screen.php b/src/wp-admin/includes/class-wp-screen.php
index 227fda90c6273..0d54552c5e1ba 100644
--- a/src/wp-admin/includes/class-wp-screen.php
+++ b/src/wp-admin/includes/class-wp-screen.php
@@ -1001,6 +1001,14 @@ public function show_screen_options() {
 
 		$show_screen = ! empty( $wp_meta_boxes[ $this->id ] ) || $columns || $this->get_option( 'per_page' );
 
+		/*
+		 * @since 7.0.0
+		 * @see https://core.trac.wordpress.org/ticket/17704
+		 */
+		if ( ! empty( $wp_meta_boxes[ $this->id ] ) ) {
+			wp_enqueue_script( 'postbox' );
+		}
+
 		$this->_screen_settings = '';
 
 		if ( 'post' === $this->base ) {