diff --git a/appl/login/utmpx_login.c b/appl/login/utmpx_login.c
index 37e641ac4..8a3f88b60 100644
--- a/appl/login/utmpx_login.c
+++ b/appl/login/utmpx_login.c
@@ -51,7 +51,7 @@ utmpx_update(struct utmpx *ut, char *line, const char *user, const char *host)
 #ifdef WTMPX_FILE
     updwtmpx(WTMPX_FILE, ut);
 #elif defined(WTMP_FILE)
-    {
+    { /* XXX should be removed, just drop wtmp support */
 	struct utmp utmp;
 	int fd;