diff --git a/src/netif/etharp.c b/src/netif/etharp.c
index 16b9f966..12c2d42e 100644
--- a/src/netif/etharp.c
+++ b/src/netif/etharp.c
@@ -605,7 +605,7 @@ etharp_arp_input(struct netif *netif, struct eth_addr *ethaddr, struct pbuf *p)
       (ARPH_PROTOLEN(hdr) != sizeof(struct ip_addr)) ||
       (hdr->ethhdr.type != htons(ETHTYPE_ARP)))  {
     LWIP_DEBUGF(ETHARP_DEBUG | LWIP_DBG_TRACE | 1,
-      ("etharp_arp_input: packet dropped, wrong hw type, hwlen, proto, protolen or ethernet type (%"U16_F"/%"U16_F"/%"U16_F"/%"U16_F")\n",
+      ("etharp_arp_input: packet dropped, wrong hw type, hwlen, proto, protolen or ethernet type (%"U16_F"/%"U16_F"/%"U16_F"/%"U16_F"/%"U16_F")\n",
       hdr->hwtype, ARPH_HWLEN(hdr), hdr->proto, ARPH_PROTOLEN(hdr), hdr->ethhdr.type));
     pbuf_free(p);
     return;