diff --git a/src/lib/commands/acce.c b/src/lib/commands/acce.c
index 82038786..019d414f 100644
--- a/src/lib/commands/acce.c
+++ b/src/lib/commands/acce.c
@@ -58,7 +58,7 @@ acce(void)
     if (player->argp[1] == 0) {
 	natp = getnatp(player->cnum);
     } else {
-	if (!(natp = natargp(player->argp[1], "Which country? ")))
+	if (!(natp = natargp(player->argp[1], NULL)))
 	    return RET_SYN;
     }
     as = natp->nat_cnum;
diff --git a/src/lib/commands/rea.c b/src/lib/commands/rea.c
index 0f901e07..f9d9b608 100644
--- a/src/lib/commands/rea.c
+++ b/src/lib/commands/rea.c
@@ -100,7 +100,7 @@ rea(void)
 	if (player->god && player->argp[1] &&
 	    (mineq(player->argp[1], "yes") == ME_MISMATCH) &&
 	    (mineq(player->argp[1], "no") == ME_MISMATCH)) {
-	    if ((n = natarg(player->argp[1], "")) < 0)
+	    if ((n = natarg(player->argp[1], NULL)) < 0)
 		return RET_SYN;
 	    num = n;
 	    may_delete = 0;
diff --git a/src/lib/commands/rela.c b/src/lib/commands/rela.c
index f6f65c94..76ea1485 100644
--- a/src/lib/commands/rela.c
+++ b/src/lib/commands/rela.c
@@ -58,7 +58,7 @@ rela(void)
     if (player->argp[1] == 0)
 	as = player->cnum;
     else {
-	if ((n = natarg(player->argp[1], "Which country? ")) < 0)
+	if ((n = natarg(player->argp[1], NULL)) < 0)
 	    return RET_SYN;
 	as = (natid)n;
     }
diff --git a/src/lib/subs/snxtitem.c b/src/lib/subs/snxtitem.c
index 7d261a75..7f81da6d 100644
--- a/src/lib/subs/snxtitem.c
+++ b/src/lib/subs/snxtitem.c
@@ -72,7 +72,7 @@ snxtitem(struct nstr_item *np, int type, s_char *str)
 	return 0;
     }
     if (type == EF_NATION && isalpha(*str)) {
-	sprintf(natnumber, "%d", natarg(str, ""));
+	sprintf(natnumber, "%d", natarg(str, NULL));
 	str = natnumber;
     }
     flags = ef_flags(type);