diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index a7e42f9a405c..2bff63a73cf8 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -551,7 +551,7 @@ rpcauth_lookup_credcache(struct rpc_auth *auth, struct auth_cred * acred,
 			*entry, *new;
 	unsigned int nr;
 
-	nr = hash_long(from_kuid(&init_user_ns, acred->uid), cache->hashbits);
+	nr = auth->au_ops->hash_cred(acred, cache->hashbits);
 
 	rcu_read_lock();
 	hlist_for_each_entry_rcu(entry, &cache->hashtable[nr], cr_hash) {