diff --git a/kernel/sched.c b/kernel/sched.c
index 0236958addcb..0d1717b00225 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -834,7 +834,7 @@ static inline u64 global_rt_period(void)
 
 static inline u64 global_rt_runtime(void)
 {
-	if (sysctl_sched_rt_period < 0)
+	if (sysctl_sched_rt_runtime < 0)
 		return RUNTIME_INF;
 
 	return (u64)sysctl_sched_rt_runtime * NSEC_PER_USEC;