diff --git a/src/include/netif/etharp.h b/src/include/netif/etharp.h
index df63a70a..b536fd28 100644
--- a/src/include/netif/etharp.h
+++ b/src/include/netif/etharp.h
@@ -1,2 +1,3 @@
 /* ARP has been moved to core/ipv4, provide this #include for compatibility only */
 #include "lwip/etharp.h"
+#include "netif/ethernet.h"