diff --git a/eth_interface.c b/eth_interface.c
index a6dcf3f..9087ff5 100644
--- a/eth_interface.c
+++ b/eth_interface.c
@@ -5,6 +5,7 @@
 #include "eth_interface.h"
 #include "dynmem.h"
 #include "etherlib/prefab/conn_blocks/ethernet_connblock.h"
+#include "etherlib/prefab/packet_parsers/ipv4_types.h"
 #include "etherlib_options.h"
 #include "utils.h"
 
@@ -74,6 +75,11 @@ EthInterface *ethintf_new(EthIODef *io) {
     ethIntf->interceptTxCb = NULL;
     ethIntf->interceptRxCb = NULL;
 
+    ethIntf->ip = 0;
+    ethIntf->router = 0;
+    ethIntf->dns = 0;
+    ethIntf->netmask = IPv4_ANY_ADDR;
+
     ethIntf->linkState = false;
 
     ethintf_register(ethIntf);