52,53c52,54
< 		if ( !empty( $blogname ) )
< 			$url = preg_replace( '|^([^\.]+://)|', '$1' . $blogname . '.', $url );
---
> 		if ( !empty( $blogname ) ) {
> 			$url = preg_replace( '|^([^\.]+://)(?:www\.)?|', '$1' . $blogname . '.', $url );
> 		}