diff --git src/wp-includes/comment.php src/wp-includes/comment.php
index 8bb2e9e..ead3377 100644
--- src/wp-includes/comment.php
+++ src/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.
@@ -2201,8 +2199,11 @@ function wp_update_comment($commentarr) {
 	 * @param array $commentarr The new, raw comment data.
 	 */
 	$data = apply_filters( 'wp_update_comment_data', $data, $comment, $commentarr );
-
-	$rval = $wpdb->update( $wpdb->comments, $data, compact( 'comment_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' );
+	
+	$sliced_data = wp_array_slice_assoc( $data, $keys );
+	$rval = $wpdb->update( $wpdb->comments, $sliced_data, compact( 'comment_ID' ) );
 
 	clean_comment_cache( $comment_ID );
 	wp_update_comment_count( $comment_post_ID );