diff --git a/sys/sys/socket.h b/sys/sys/socket.h
--- a/sys/sys/socket.h
+++ b/sys/sys/socket.h
@@ -171,10 +171,10 @@
 #define	SO_TS_CLOCK	0x1017		/* clock type used for SO_TIMESTAMP */
 #define	SO_MAX_PACING_RATE	0x1018	/* socket's max TX pacing rate (Linux name) */
 #define	SO_DOMAIN	0x1019		/* get socket domain */
-#endif
-
-#if __BSD_VISIBLE
 #define	SO_SPLICE	0x1023		/* splice data to other socket */
+#endif
+
+#if __BSD_VISIBLE
 #define	SO_TS_REALTIME_MICRO	0	/* microsecond resolution, realtime */
 #define	SO_TS_BINTIME		1	/* sub-nanosecond resolution, realtime */
 #define	SO_TS_REALTIME		2	/* nanosecond resolution, realtime */