diff --git a/components/lwip/port/esp8266/include/arpa/inet.h b/components/lwip/port/esp8266/include/arpa/inet.h
index 94c6c17e..a5e4bfb5 100644
--- a/components/lwip/port/esp8266/include/arpa/inet.h
+++ b/components/lwip/port/esp8266/include/arpa/inet.h
@@ -16,5 +16,10 @@
 #define INET_H_
 
 #include "lwip/inet.h"
+#include "lwip/ip6_addr.h"
+
+#ifndef IN6_IS_ADDR_MULTICAST
+#define IN6_IS_ADDR_MULTICAST(a)    ip6_addr_ismulticast((ip6_addr_t*)(a))
+#endif
 
 #endif /* INET_H_ */
diff --git a/components/lwip/port/esp8266/include/netinet/in.h b/components/lwip/port/esp8266/include/netinet/in.h
index 7eaec633..3b865261 100644
--- a/components/lwip/port/esp8266/include/netinet/in.h
+++ b/components/lwip/port/esp8266/include/netinet/in.h
@@ -15,8 +15,6 @@
 #ifndef IN_H_
 #define IN_H_
 
-#include "lwip/inet.h"
-
-#define IN6_IS_ADDR_MULTICAST(a)    IN_MULTICAST(a)
+#include "arpa/inet.h"
 
 #endif /* IN_H_ */