diff --git a/wp-includes/comment.php b/wp-includes/comment.php
index 8bb2e9eb3c..ae759c04f5 100644
--- a/wp-includes/comment.php
+++ b/wp-includes/comment.php
@@ -2186,8 +2186,6 @@ function wp_update_comment($commentarr) {
 
 	$comment_ID = $data['comment_ID'];
 	$comment_post_ID = $data['comment_post_ID'];
-	$keys = array( 'comment_post_ID', 'comment_content', 'comment_author', 'comment_author_email', 'comment_approved', 'comment_karma', 'comment_author_url', 'comment_date', 'comment_date_gmt', 'comment_type', 'comment_parent', 'user_id', 'comment_agent', 'comment_author_IP' );
-	$data = wp_array_slice_assoc( $data, $keys );
 
 	/**
 	 * Filters the comment data immediately before it is updated in the database.
@@ -2202,6 +2200,9 @@ function wp_update_comment($commentarr) {
 	 */
 	$data = apply_filters( 'wp_update_comment_data', $data, $comment, $commentarr );
 
+	$keys = array( 'comment_post_ID', 'comment_content', 'comment_author', 'comment_author_email', 'comment_approved', 'comment_karma', 'comment_author_url', 'comment_date', 'comment_date_gmt', 'comment_type', 'comment_parent', 'user_id', 'comment_agent', 'comment_author_IP' );
+	$data = wp_array_slice_assoc( $data, $keys );
+
 	$rval = $wpdb->update( $wpdb->comments, $data, compact( 'comment_ID' ) );
 
 	clean_comment_cache( $comment_ID );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 3ccbac6d1e..5545175d38 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.8-alpha-39639';
+$wp_version = '4.8-alpha-39640';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.