diff --git a/wp-includes/comment-template.php b/wp-includes/comment-template.php
index 200b2e095f..5a1b2e22eb 100644
--- a/wp-includes/comment-template.php
+++ b/wp-includes/comment-template.php
@@ -1241,7 +1241,7 @@ function comments_open( $post_id = null ) {
 	$_post = get_post( $post_id );
 
 	$post_id = $_post ? $_post->ID : 0;
-	$open    = ( 'open' === $_post->comment_status );
+	$open    = ( $_post && ( 'open' === $_post->comment_status ) );
 
 	/**
 	 * Filters whether the current post is open for comments.
@@ -1271,7 +1271,7 @@ function pings_open( $post_id = null ) {
 	$_post = get_post( $post_id );
 
 	$post_id = $_post ? $_post->ID : 0;
-	$open    = ( 'open' === $_post->ping_status );
+	$open    = ( $_post && ( 'open' === $_post->ping_status ) );
 
 	/**
 	 * Filters whether the current post is open for pings.
diff --git a/wp-includes/version.php b/wp-includes/version.php
index b03b9a995f..a47de199bf 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.9-alpha-52222';
+$wp_version = '5.9-alpha-52223';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.