diff --git a/src/include/ipv4/lwip/ip_addr.h b/src/include/ipv4/lwip/ip_addr.h
index 6fe0b346..2771bd3d 100644
--- a/src/include/ipv4/lwip/ip_addr.h
+++ b/src/include/ipv4/lwip/ip_addr.h
@@ -34,6 +34,8 @@
 
 #include "lwip/opt.h"
 
+#include "lwip/inet.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif