diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c
index 3c3e4fbefeba..389599bd13bb 100644
--- a/drivers/ptp/ptp_clock.c
+++ b/drivers/ptp/ptp_clock.c
@@ -136,7 +136,8 @@ static int ptp_clock_adjtime(struct posix_clock *pc, struct __kernel_timex *tx)
 			err = ops->adjfine(ops, tx->freq);
 		else
 			err = ops->adjfreq(ops, ppb);
-		ptp->dialed_frequency = tx->freq;
+		if (!err)
+			ptp->dialed_frequency = tx->freq;
 	} else if (tx->modes & ADJ_OFFSET) {
 		if (ops->adjphase) {
 			s32 offset = tx->offset;