diff --git a/management/backup.py b/management/backup.py
index aae6c00b..2c56a397 100755
--- a/management/backup.py
+++ b/management/backup.py
@@ -320,6 +320,7 @@ def perform_backup(full_backup):
 			"--verbosity", "warning", "--no-print-statistics",
 			"--archive-dir", backup_cache_dir,
 			"--exclude", backup_root,
+			"--exclude", os.path.join(env["STORAGE_ROOT"], "owncloud-backup"),
 			"--volsize", "250",
 			"--gpg-options", "'--cipher-algo=AES256'",
 			"--allow-source-mismatch",
@@ -399,6 +400,7 @@ def run_duplicity_verification():
 		"--compare-data",
 		"--archive-dir", backup_cache_dir,
 		"--exclude", backup_root,
+		"--exclude", os.path.join(env["STORAGE_ROOT"], "owncloud-backup"),
 		*get_duplicity_additional_args(env),
 		get_duplicity_target_url(config),
 		env["STORAGE_ROOT"],