diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 62f358f67764..412fcfbc50e2 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -2376,8 +2376,7 @@ static int nfs_compare_mount_options(const struct super_block *s, const struct n
 		goto Ebusy;
 	if (a->acdirmax != b->acdirmax)
 		goto Ebusy;
-	if (b->auth_info.flavor_len > 0 &&
-	   clnt_a->cl_auth->au_flavor != clnt_b->cl_auth->au_flavor)
+	if (clnt_a->cl_auth->au_flavor != clnt_b->cl_auth->au_flavor)
 		goto Ebusy;
 	return 1;
 Ebusy: