diff --git a/impl/test/layer2_over_udp/l2udptest_client.c b/impl/test/layer2_over_udp/l2udptest_client.c
index 5937004..456e82a 100644
--- a/impl/test/layer2_over_udp/l2udptest_client.c
+++ b/impl/test/layer2_over_udp/l2udptest_client.c
@@ -104,10 +104,10 @@ void rx_data_to_tun(const layer2_data_packet_t *data_packet)
 
 	switch(data_packet->payload_type) {
 		case L2_PAYLOAD_TYPE_IPV6:
-			*(uint16_t*)(tun_packet+2) = 0x86dd;
+			*(uint16_t*)(tun_packet+2) = htons(0x86dd);
 			break;
 		case L2_PAYLOAD_TYPE_IPV4:
-			*(uint16_t*)(tun_packet+2) = 0x0800;
+			*(uint16_t*)(tun_packet+2) = htons(0x0800);
 			break;
 		default:
 			LOG(LVL_ERR, "Unsupported payload type: 0x%08x.", data_packet->payload_type);
diff --git a/impl/test/layer2_over_udp/l2udptest_digipeater.c b/impl/test/layer2_over_udp/l2udptest_digipeater.c
index 32ed7b2..20e5307 100644
--- a/impl/test/layer2_over_udp/l2udptest_digipeater.c
+++ b/impl/test/layer2_over_udp/l2udptest_digipeater.c
@@ -101,10 +101,10 @@ void rx_data_to_tun(const layer2_data_packet_t *data_packet)
 
 	switch(data_packet->payload_type) {
 		case L2_PAYLOAD_TYPE_IPV6:
-			*(uint16_t*)(tun_packet+2) = 0x86dd;
+			*(uint16_t*)(tun_packet+2) = htons(0x86dd);
 			break;
 		case L2_PAYLOAD_TYPE_IPV4:
-			*(uint16_t*)(tun_packet+2) = 0x0800;
+			*(uint16_t*)(tun_packet+2) = htons(0x0800);
 			break;
 		default:
 			LOG(LVL_ERR, "Unsupported payload type: 0x%08x.", data_packet->payload_type);