diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index 406dccb79c2b6b5dde3c619e3107afd9925ab7ff..5b1ea7d5478b253eeb08ca9a7f9fc3d2fc5fc136 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -728,6 +728,8 @@ static inline void process_adjtimex_modes(const struct __kernel_timex *txc,
 
 	if (txc->modes & ADJ_MAXERROR)
 		time_maxerror = txc->maxerror;
+	if (time_maxerror > NTP_PHASE_LIMIT)
+		time_maxerror = NTP_PHASE_LIMIT;
 
 	if (txc->modes & ADJ_ESTERROR)
 		time_esterror = txc->esterror;