diff --git a/security/keys/key.c b/security/keys/key.c
index 5f103b2713c6..35db23d05302 100644
--- a/security/keys/key.c
+++ b/security/keys/key.c
@@ -464,7 +464,8 @@ static int __key_instantiate_and_link(struct key *key,
 			if (authkey)
 				key_invalidate(authkey);
 
-			key_set_expiry(key, prep->expiry);
+			if (prep->expiry != TIME64_MAX)
+				key_set_expiry(key, prep->expiry);
 		}
 	}