diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 78addfe4a0c925..857c49399c28ed 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -47,7 +47,7 @@ static void dump_zones(struct mddev *mddev)
 		int len = 0;
 
 		for (k = 0; k < conf->strip_zone[j].nb_dev; k++)
-			len += snprintf(line+len, 200-len, "%s%pg", k?"/":"",
+			len += scnprintf(line+len, 200-len, "%s%pg", k?"/":"",
 				conf->devlist[j * raid_disks + k]->bdev);
 		pr_debug("md: zone%d=[%s]\n", j, line);