--- a/sys/kern/kern_resource.c
+++ b/sys/kern/kern_resource.c
@@ -364,7 +364,7 @@
 		lwkt_gettoken_shared(&pg->pg_token);
 		LIST_FOREACH(p, &pg->pg_members, p_pglist) {
 			if (PRISON_CHECK(curtd->td_ucred, p->p_ucred) &&
-			    p->p_nice > high)
+			    p->p_ionice > high)
 				high = p->p_ionice;
 		}
 		lwkt_reltoken(&pg->pg_token);