diff --git a/libc/include/netinet/in.h b/libc/include/netinet/in.h
index 46e3543051..7e319e0c18 100644
--- a/libc/include/netinet/in.h
+++ b/libc/include/netinet/in.h
@@ -54,6 +54,8 @@ __BEGIN_DECLS
 
 typedef uint16_t in_port_t;
 
+typedef uint32_t in_addr_t;
+
 int bindresvport(int __fd, struct sockaddr_in* __sin);
 
 #if __ANDROID_API__ >= 24