diff --git a/libexec/tftpd/tftpd.c b/libexec/tftpd/tftpd.c
index 9c1ec2ac79e5..7958bbb793a1 100644
--- a/libexec/tftpd/tftpd.c
+++ b/libexec/tftpd/tftpd.c
@@ -134,7 +134,7 @@ main(int argc, char *argv[])
 	tzset();			/* syslog in localtime */
 
 	openlog("tftpd", LOG_PID | LOG_NDELAY, LOG_FTP);
-	while ((ch = getopt(argc, argv, "cClns:u:Uw")) != -1) {
+	while ((ch = getopt(argc, argv, "cClns:u:U:w")) != -1) {
 		switch (ch) {
 		case 'c':
 			ipchroot = 1;