diff --git a/snappymail/v/0.0.0/app/libraries/snappymail/imap/sync.php b/snappymail/v/0.0.0/app/libraries/snappymail/imap/sync.php
index 4c9f2bbae..f042c27bc 100644
--- a/snappymail/v/0.0.0/app/libraries/snappymail/imap/sync.php
+++ b/snappymail/v/0.0.0/app/libraries/snappymail/imap/sync.php
@@ -9,9 +9,8 @@ use MailSo\Mime\Enumerations\Header;
 
 class Sync
 {
-	public
-		$oImapSource,
-		$oImapTarget;
+	public \MailSo\Imap\ImapClient $oImapSource;
+	public \MailSo\Imap\ImapClient $oImapTarget;
 
 	function import(string $sTargetRootFolderName = '')
 	{