diff --git a/net/ipv6/mcast.c b/net/ipv6/mcast.c
index 2290457eb8d3..ecef55f26189 100644
--- a/net/ipv6/mcast.c
+++ b/net/ipv6/mcast.c
@@ -3029,7 +3029,7 @@ static int igmp6_mc_seq_show(struct seq_file *seq, void *v)
 	struct ifmcaddr6 *im = (struct ifmcaddr6 *)v;
 	struct igmp6_mc_iter_state *state = igmp6_mc_seq_private(seq);
 	unsigned int mca_flags = READ_ONCE(im->mca_flags);
-	unsigned long expires = READ_ONCE(im->mca_work.timer.expires);
+	long delta = READ_ONCE(im->mca_work.timer.expires) - jiffies;
 
 	seq_printf(seq,
 		   "%-4d %-15s %pi6 %5d %08X %ld\n",
@@ -3037,7 +3037,7 @@ static int igmp6_mc_seq_show(struct seq_file *seq, void *v)
 		   &im->mca_addr,
 		   READ_ONCE(im->mca_users), mca_flags,
 		   (mca_flags & MAF_TIMER_RUNNING) ?
-		   jiffies_to_clock_t(expires - jiffies) : 0);
+		   jiffies_delta_to_clock_t(delta) : 0);
 	return 0;
 }