diff --git a/wp-includes/comment-template.php b/wp-includes/comment-template.php
index 986639af13..1f7596dc55 100644
--- a/wp-includes/comment-template.php
+++ b/wp-includes/comment-template.php
@@ -2275,6 +2275,11 @@ function comment_form( $args = array(), $post_id = null ) {
 		$consent           = empty( $commenter['comment_author_email'] ) ? '' : ' checked="checked"';
 		$fields['cookies'] = '<p class="comment-form-cookies-consent"><input id="wp-comment-cookies-consent" name="wp-comment-cookies-consent" type="checkbox" value="yes"' . $consent . ' />' .
 							 '<label for="wp-comment-cookies-consent">' . __( 'Save my name, email, and website in this browser for the next time I comment.' ) . '</label></p>';
+
+		// Ensure that the passed fields include cookies consent.
+		if ( isset( $args['fields'] ) && ! isset( $args['fields']['cookies'] ) ) {
+			$args['fields']['cookies'] = $fields['cookies'];
+		}
 	}
 
 	$required_text = sprintf( ' ' . __( 'Required fields are marked %s' ), '<span class="required">*</span>' );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 63a0739c1b..0976092127 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.0-alpha-43517';
+$wp_version = '5.0-alpha-43518';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.