diff --git a/libc/bionic/netinet_in.cpp b/libc/bionic/netinet_in.cpp
index dfa5d8d..2a7090a 100644
--- a/libc/bionic/netinet_in.cpp
+++ b/libc/bionic/netinet_in.cpp
@@ -29,6 +29,7 @@
 #include <netinet/in.h>
 
 #include <errno.h>
+#include <netdb.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <string.h>
diff --git a/libc/include/netdb.h b/libc/include/netdb.h
index 7fcb11f..95f0986 100644
--- a/libc/include/netdb.h
+++ b/libc/include/netdb.h
@@ -192,6 +192,8 @@
  */
 #define	SCOPE_DELIMITER	'%'
 
+#define IPPORT_RESERVED 1024
+
 __BEGIN_DECLS
 
 /* BIONIC-BEGIN */
diff --git a/libc/include/netinet/in.h b/libc/include/netinet/in.h
index b524b05..00b5cf9 100644
--- a/libc/include/netinet/in.h
+++ b/libc/include/netinet/in.h
@@ -40,8 +40,6 @@
 
 __BEGIN_DECLS
 
-#define IPPORT_RESERVED  1024
-
 #define INET_ADDRSTRLEN 16
 
 typedef uint16_t in_port_t;