1 files changed, 2 insertions, 1 deletions
diff --git a/sbin/tunefs/tunefs.c b/sbin/tunefs/tunefs.c
index 9cab127..80f08e0e 100644
--- a/sbin/tunefs/tunefs.c
+++ b/sbin/tunefs/tunefs.c
@@ -210,7 +210,8 @@ again:
 		if (*special != '/') {
 			if (*special == 'r')
 				special++;
-			(void)sprintf(device, "%s/%s", _PATH_DEV, special);
+			(void)snprintf(device, sizeof(device), "%s/%s",
+				       _PATH_DEV, special);
 			special = device;
 			goto again;
 		}