diff --git a/libexec/ftpd/ftpd.c b/libexec/ftpd/ftpd.c
index 9976967a9f09..88774c90d08c 100644
--- a/libexec/ftpd/ftpd.c
+++ b/libexec/ftpd/ftpd.c
@@ -2520,6 +2520,10 @@ renamefrom(char *name)
 {
 	struct stat st;
 
+	if (guest && noguestmod) {
+		reply(550, "Operation not permitted");
+		return (NULL);
+	}
 	if (lstat(name, &st) < 0) {
 		perror_reply(550, name);
 		return ((char *)0);