Fix actorUsername

index.php

@@ -627,6 +627,7 @@ HTML;
 			$actorArray = explode( "/", $actor );
 			$actorName = end( $actorArray );
 			$actorServer   = parse_url( $actor, PHP_URL_HOST );
+			$actorUsername = "@{$actorName}@{$actorServer}";
 			//	Make i18n usernames readable and safe.
 			$actorName = htmlspecialchars( rawurldecode( $actorName ) );
 			$actorHTML = "<a href=\"$actor\">@{$actorName}</a>";