diff --git a/src/core/ipv4/etharp.c b/src/core/ipv4/etharp.c
index 9742d900..9c43eeef 100644
--- a/src/core/ipv4/etharp.c
+++ b/src/core/ipv4/etharp.c
@@ -128,7 +128,11 @@ static u8_t etharp_cached_entry;
 
 
 static err_t etharp_request_dst(struct netif *netif, const ip4_addr_t *ipaddr, const struct eth_addr* hw_dst_addr);
-
+static err_t etharp_raw(struct netif *netif,
+                        const struct eth_addr *ethsrc_addr, const struct eth_addr *ethdst_addr,
+                        const struct eth_addr *hwsrc_addr, const ip4_addr_t *ipsrc_addr,
+                        const struct eth_addr *hwdst_addr, const ip4_addr_t *ipdst_addr,
+                        const u16_t opcode);
 
 #if ARP_QUEUEING
 /**
@@ -695,38 +699,47 @@ etharp_input(struct pbuf *p, struct netif *netif)
     LWIP_DEBUGF (ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_input: incoming ARP request\n"));
     /* ARP request for our address? */
     if (for_us) {
+      if (p->type == PBUF_REF) {
+        ip4_addr_t sipaddr;
+        IPADDR2_COPY(&sipaddr.addr, &hdr->sipaddr);
 
-      LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_input: replying to ARP request for our IP address\n"));
-      /* Re-use pbuf to send ARP reply.
-         Since we are re-using an existing pbuf, we can't call etharp_raw since
-         that would allocate a new pbuf. */
-      hdr->opcode = lwip_htons(ARP_REPLY);
+        etharp_raw(netif,
+                   (struct eth_addr *)netif->hwaddr, &hdr->dhwaddr,
+                   (struct eth_addr *)netif->hwaddr, netif_ip4_addr(netif),
+                   &hdr->shwaddr, &sipaddr,
+                   ARP_REPLY);
+      } else {
+        LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE, ("etharp_input: replying to ARP request for our IP address\n"));
+        /* Re-use pbuf to send ARP reply.
+           Since we are re-using an existing pbuf, we can't call etharp_raw since
+           that would allocate a new pbuf. */
+        hdr->opcode = lwip_htons(ARP_REPLY);
 
-      IPADDR2_COPY(&hdr->dipaddr, &hdr->sipaddr);
-      IPADDR2_COPY(&hdr->sipaddr, netif_ip4_addr(netif));
+        IPADDR2_COPY(&hdr->dipaddr, &hdr->sipaddr);
+        IPADDR2_COPY(&hdr->sipaddr, netif_ip4_addr(netif));
 
-      LWIP_ASSERT("netif->hwaddr_len must be the same as ETH_HWADDR_LEN for etharp!",
-                  (netif->hwaddr_len == ETH_HWADDR_LEN));
+        LWIP_ASSERT("netif->hwaddr_len must be the same as ETH_HWADDR_LEN for etharp!",
+                    (netif->hwaddr_len == ETH_HWADDR_LEN));
 
-      /* hwtype, hwaddr_len, proto, protolen and the type in the ethernet header
-         are already correct, we tested that before */
+        /* hwtype, hwaddr_len, proto, protolen and the type in the ethernet header
+           are already correct, we tested that before */
 
-      ETHADDR16_COPY(&hdr->dhwaddr, &hdr->shwaddr);
-      ETHADDR16_COPY(&hdr->shwaddr, netif->hwaddr);
+        ETHADDR16_COPY(&hdr->dhwaddr, &hdr->shwaddr);
+        ETHADDR16_COPY(&hdr->shwaddr, netif->hwaddr);
 
-      /* return ARP reply */
+        /* return ARP reply */
 #if LWIP_AUTOIP
-      /* If we are using Link-Local, all ARP packets that contain a Link-Local
-       * 'sender IP address' MUST be sent using link-layer broadcast instead of
-       * link-layer unicast. (See RFC3927 Section 2.5, last paragraph) */
-      if (ip4_addr_islinklocal(netif_ip4_addr(netif))) {
-        ethernet_output(netif, p, &hdr->shwaddr, &ethbroadcast, ETHTYPE_ARP);
-      } else
+        /* If we are using Link-Local, all ARP packets that contain a Link-Local
+         * 'sender IP address' MUST be sent using link-layer broadcast instead of
+         * link-layer unicast. (See RFC3927 Section 2.5, last paragraph) */
+        if (ip4_addr_islinklocal(netif_ip4_addr(netif))) {
+          ethernet_output(netif, p, &hdr->shwaddr, &ethbroadcast, ETHTYPE_ARP);
+        } else
 #endif /* LWIP_AUTOIP */
-      {
-        ethernet_output(netif, p, &hdr->shwaddr, &hdr->dhwaddr, ETHTYPE_ARP);
+        {
+          ethernet_output(netif, p, &hdr->shwaddr, &hdr->dhwaddr, ETHTYPE_ARP);
+        }
       }
-
     /* we are not configured? */
     } else if (ip4_addr_isany_val(*netif_ip4_addr(netif))) {
       /* { for_us == 0 and netif->ip_addr.addr == 0 } */