diff --git a/src/borg/platform/xattr.py b/src/borg/platform/xattr.py
index ad4f2b7d62..dae0ae6d9d 100644
--- a/src/borg/platform/xattr.py
+++ b/src/borg/platform/xattr.py
@@ -5,10 +5,10 @@
 
 
 try:
-    ENOATTR = errno.ENOATTR
+    ENOATTR = errno.ENOATTR  # type: ignore[attr-defined]
 except AttributeError:
     # on some platforms, ENOATTR is missing, use ENODATA there
-    ENOATTR = errno.ENODATA
+    ENOATTR = errno.ENODATA  # type: ignore[attr-defined]
 
 
 buffer = Buffer(bytearray, limit=2**24)