diff --git a/src/include/lwip/tcpip.h b/src/include/lwip/tcpip.h
index 110a06b9..75393ee9 100644
--- a/src/include/lwip/tcpip.h
+++ b/src/include/lwip/tcpip.h
@@ -41,6 +41,7 @@
 #include "lwip/pbuf.h"
 #include "lwip/api.h"
 #include "lwip/sys.h"
+#include "lwip/netif.h"
 
 #ifdef __cplusplus
 extern "C" {