diff --git a/Kernel/API/POSIX/netinet/in.h b/Kernel/API/POSIX/netinet/in.h
index 4617d918fa..9d4d54bf22 100644
--- a/Kernel/API/POSIX/netinet/in.h
+++ b/Kernel/API/POSIX/netinet/in.h
@@ -18,6 +18,7 @@ typedef uint32_t in_addr_t;
 #define INADDR_ANY ((in_addr_t)0)
 #define INADDR_NONE ((in_addr_t)-1)
 #define INADDR_LOOPBACK 0x7f000001
+#define INADDR_BROADCAST 0xffffffff
 
 #define IN_LOOPBACKNET 127