diff --git a/src/netif/ethernet.c b/src/netif/ethernet.c
index 9e367f8c..6db434b4 100644
--- a/src/netif/ethernet.c
+++ b/src/netif/ethernet.c
@@ -273,7 +273,7 @@ ethernet_output(struct netif * netif, struct pbuf * p,
   struct eth_hdr *ethhdr;
   u16_t eth_type_be = lwip_htons(eth_type);
 
-#if ETHARP_SUPPORT_VLAN
+#if ETHARP_SUPPORT_VLAN && (defined(LWIP_HOOK_VLAN_SET) || LWIP_VLAN_PCP)
   s32_t vlan_prio_vid;
 #ifdef LWIP_HOOK_VLAN_SET
   vlan_prio_vid = LWIP_HOOK_VLAN_SET(netif, p, src, dst, eth_type);
@@ -297,7 +297,7 @@ ethernet_output(struct netif * netif, struct pbuf * p,
 
     eth_type_be = PP_HTONS(ETHTYPE_VLAN);
   } else
-#endif /* ETHARP_SUPPORT_VLAN && defined(LWIP_HOOK_VLAN_SET) */
+#endif /* ETHARP_SUPPORT_VLAN && (defined(LWIP_HOOK_VLAN_SET) || LWIP_VLAN_PCP) */
   {
     if (pbuf_add_header(p, SIZEOF_ETH_HDR) != 0) {
       goto pbuf_header_failed;