diff --git a/snappymail/v/0.0.0/app/libraries/MailSo/Imap/ImapClient.php b/snappymail/v/0.0.0/app/libraries/MailSo/Imap/ImapClient.php
index 300d93e5c..4d34e99eb 100644
--- a/snappymail/v/0.0.0/app/libraries/MailSo/Imap/ImapClient.php
+++ b/snappymail/v/0.0.0/app/libraries/MailSo/Imap/ImapClient.php
@@ -832,7 +832,7 @@ class ImapClient extends \MailSo\Net\NetClient
 				$this->oCurrentFolderInfo = null;
 			} else {
 				try {
-					$this->SendRequestGetResponse('SELECT', '""');
+					$this->SendRequestGetResponse('SELECT', ['""']);
 					// * OK [CLOSED] Previous mailbox closed.
 					// 3 NO [CANNOT] Invalid mailbox name: Name is empty
 				} catch (Exceptions\NegativeResponseException $e) {