diff --git a/sys/kern/sched_4bsd.c b/sys/kern/sched_4bsd.c
index be4b16ae5d7..bfde41e2c1d 100644
--- a/sys/kern/sched_4bsd.c
+++ b/sys/kern/sched_4bsd.c
@@ -59,7 +59,11 @@ __FBSDID("$FreeBSD$");
 #define	ESTCPULIM(e) \
     min((e), INVERSE_ESTCPU_WEIGHT * (NICE_WEIGHT * (PRIO_MAX - PRIO_MIN) - \
     RQ_PPQ) + INVERSE_ESTCPU_WEIGHT - 1)
+#ifdef SMP
+#define	INVERSE_ESTCPU_WEIGHT	(8 * smp_cpus)
+#else
 #define	INVERSE_ESTCPU_WEIGHT	8	/* 1 / (priorities per estcpu level). */
+#endif
 #define	NICE_WEIGHT		1	/* Priorities per nice level. */
 
 struct ke_sched {