diff --git a/wp-includes/post.php b/wp-includes/post.php
index cd54a34324..04d624af2f 100644
--- a/wp-includes/post.php
+++ b/wp-includes/post.php
@@ -3451,7 +3451,7 @@ function wp_insert_post( $postarr, $wp_error = false ) {
 	}
 
 	if ( empty( $data['post_name'] ) && ! in_array( $data['post_status'], array( 'draft', 'pending', 'auto-draft' ) ) ) {
-		$data['post_name'] = sanitize_title( $data['post_title'], $post_ID );
+		$data['post_name'] = wp_unique_post_slug( sanitize_title( $data['post_title'], $post_ID ), $post_ID, $data['post_status'], $post_type, $post_parent );
 		$wpdb->update( $wpdb->posts, array( 'post_name' => $data['post_name'] ), $where );
 	}
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 6c15732410..0f39497aa8 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.3-beta2-33259';
+$wp_version = '4.3-beta2-33261';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.