diff --git a/kernel/sched.c b/kernel/sched.c
index a66e8563..94ead43 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -8502,6 +8502,9 @@
 	rt_period = (u64)rt_period_us * NSEC_PER_USEC;
 	rt_runtime = tg->rt_bandwidth.rt_runtime;
 
+	if (rt_period == 0)
+		return -EINVAL;
+
 	return tg_set_bandwidth(tg, rt_period, rt_runtime);
 }