diff --git a/include/net-common.h b/include/net-common.h
index cbcac17..fd7c5e7 100644
--- a/include/net-common.h
+++ b/include/net-common.h
@@ -459,6 +459,10 @@
 
 int net_init(void);
 
+/* NET compatibility */
+enum proto_t;
+int net_loop(enum proto_t protocol);
+
 /**
  * dhcp_run() - Run DHCP on the current ethernet device
  *