diff --git a/fs/bcachefs/fs.c b/fs/bcachefs/fs.c
index a57ab773dd27..58a89c36cf0e 100644
--- a/fs/bcachefs/fs.c
+++ b/fs/bcachefs/fs.c
@@ -1894,7 +1894,7 @@ static struct dentry *bch2_mount(struct file_system_type *fs_type,
 
 err_put_super:
 	deactivate_locked_super(sb);
-	return ERR_PTR(ret);
+	return ERR_PTR(bch2_err_class(ret));
 }
 
 static void bch2_kill_sb(struct super_block *sb)