diff --git a/.test.conf.swp b/.test.conf.swp
deleted file mode 100644
index 927504f..0000000
Binary files a/.test.conf.swp and /dev/null differ
diff --git a/backup_imap/backup_imap.py b/backup_imap/backup_imap.py
index 3b3dae6..8e07c22 100644
--- a/backup_imap/backup_imap.py
+++ b/backup_imap/backup_imap.py
@@ -68,7 +68,7 @@ class BackupImap:
         if mailbox == '':
             real_mailbox = 'INBOX'
         else:
-            real_mailbox = mailbox.decode()
+            real_mailbox = mailbox.encode()
         self.imap.select(mailbox=f"\"{real_mailbox}\"", readonly=False)
         self._log.debug(
             "Searching for all messages in '%s'...",