diff --git a/tc/p_eth.c b/tc/p_eth.c
index ad3e28f8..2d2f96ca 100644
--- a/tc/p_eth.c
+++ b/tc/p_eth.c
@@ -34,6 +34,9 @@ parse_eth(int *argc_p, char ***argv_p,
 	if (argc < 2)
 		return -1;
 
+	if (!sel->extended)
+		return -1;
+
 	tkey->htype = TCA_PEDIT_KEY_EX_HDR_TYPE_ETH;
 
 	if (strcmp(*argv, "type") == 0) {
diff --git a/tc/p_udp.c b/tc/p_udp.c
index a56a1b51..3916d958 100644
--- a/tc/p_udp.c
+++ b/tc/p_udp.c
@@ -34,6 +34,9 @@ parse_udp(int *argc_p, char ***argv_p,
 	if (argc < 2)
 		return -1;
 
+	if (!sel->extended)
+		return -1;
+
 	tkey->htype = TCA_PEDIT_KEY_EX_HDR_TYPE_UDP;
 
 	if (strcmp(*argv, "sport") == 0) {