diff --git a/src/borg/archive.py b/src/borg/archive.py
index 8aee6847..33de6fac 100644
--- a/src/borg/archive.py
+++ b/src/borg/archive.py
@@ -199,6 +199,7 @@ class BackupIO:
             E_MAP = {
                 errno.EPERM: BackupPermissionError,
                 errno.EACCES: BackupPermissionError,
+                errno.EBUSY: BackupPermissionError,
                 errno.ENOENT: BackupFileNotFoundError,
                 errno.EIO: BackupIOError,
             }