diff --git a/ip/ipaddress.c b/ip/ipaddress.c
index ccf67d1d..2b4cb48a 100644
--- a/ip/ipaddress.c
+++ b/ip/ipaddress.c
@@ -1249,8 +1249,8 @@ static const struct ifa_flag_data_t {
 	{ .name = "tentative",		.mask = IFA_F_TENTATIVE,	.readonly = true,	.v6only = true},
 	{ .name = "permanent",		.mask = IFA_F_PERMANENT,	.readonly = true,	.v6only = true},
 	{ .name = "mngtmpaddr",		.mask = IFA_F_MANAGETEMPADDR,	.readonly = false,	.v6only = true},
-	{ .name = "noprefixroute",	.mask = IFA_F_NOPREFIXROUTE,	.readonly = false,	.v6only = true},
-	{ .name = "autojoin",		.mask = IFA_F_MCAUTOJOIN,	.readonly = false,	.v6only = true},
+	{ .name = "noprefixroute",	.mask = IFA_F_NOPREFIXROUTE,	.readonly = false,	.v6only = false},
+	{ .name = "autojoin",		.mask = IFA_F_MCAUTOJOIN,	.readonly = false,	.v6only = false},
 	{ .name = "stable-privacy",	.mask = IFA_F_STABLE_PRIVACY, 	.readonly = true,	.v6only = true},
 };