diff --git a/storage/backups/borg/backup.py b/storage/backups/borg/backup.py
index 5023631..98571d9 100755
--- a/storage/backups/borg/backup.py
+++ b/storage/backups/borg/backup.py
@@ -202,7 +202,7 @@ class Backup(object):
                 if _returncode != 0:
                     self.logger.error('[{0}]: FAILED: {1}'.format(r, ' '.join(_cmd)))
                 if _stderr != '' and self.cron and _returncode != 0:
-                    self.logger.warning('Command {0} failed: {1}'.format(' '.join(_cmd), _err))
+                    self.logger.warning('Command {0} failed: {1}'.format(' '.join(_cmd), _stderr))
                 del(_env['BORG_PASSPHRASE'])
             self.logger.info('[{0}]: END BACKUP'.format(r))
         self.logger.info('END: backup')