diff --git a/newlib/libc/sys/rtems/include/sys/socket.h b/newlib/libc/sys/rtems/include/sys/socket.h
index 345eaa83f..19062c5ee 100644
--- a/newlib/libc/sys/rtems/include/sys/socket.h
+++ b/newlib/libc/sys/rtems/include/sys/socket.h
@@ -147,6 +147,9 @@ typedef	__uintptr_t	uintptr_t;
 #define	SO_NO_OFFLOAD	0x4000		/* socket cannot be offloaded */
 #define	SO_NO_DDP	0x8000		/* disable direct data placement */
 
+// XXX: so_options was only 16 bit, now globally increased to 32 bit
+#define	SO_REUSEPORT_LB	0x00010000 /* reuse with load balancing */
+
 /*
  * Additional options, not kept in so_options.
  */