diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index fa517ae9207f6d04f66fcf4c0b12ef229bc5a176..71067d1ac9d9a2007d30bc235b236b1ccf1daf7e 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1474,6 +1474,11 @@ static int nfs_xdev_get_sb(struct file_system_type *fs_type, int flags,
 		error = PTR_ERR(mntroot);
 		goto error_splat_super;
 	}
+	if (mntroot->d_inode->i_op != &nfs_dir_inode_operations) {
+		dput(mntroot);
+		error = -ESTALE;
+		goto error_splat_super;
+	}
 
 	s->s_flags |= MS_ACTIVE;
 	mnt->mnt_sb = s;