diff --git a/sys/compat/linux/linux_socket.c b/sys/compat/linux/linux_socket.c
index d43dc7e812c1..8f1ab8f9f8f4 100644
--- a/sys/compat/linux/linux_socket.c
+++ b/sys/compat/linux/linux_socket.c
@@ -212,8 +212,10 @@ linux_to_bsd_so_sockopt(int opt)
 	case LINUX_SO_BROADCAST:
 		return (SO_BROADCAST);
 	case LINUX_SO_SNDBUF:
+	case LINUX_SO_SNDBUFFORCE:
 		return (SO_SNDBUF);
 	case LINUX_SO_RCVBUF:
+	case LINUX_SO_RCVBUFFORCE:
 		return (SO_RCVBUF);
 	case LINUX_SO_KEEPALIVE:
 		return (SO_KEEPALIVE);
diff --git a/sys/compat/linux/linux_socket.h b/sys/compat/linux/linux_socket.h
index efe21c6f2f94..8764becb8e69 100644
--- a/sys/compat/linux/linux_socket.h
+++ b/sys/compat/linux/linux_socket.h
@@ -200,6 +200,8 @@ int linux_accept(struct thread *td, struct linux_accept_args *args);
 #endif
 #define	LINUX_SO_TIMESTAMP	29
 #define	LINUX_SO_ACCEPTCONN	30
+#define	LINUX_SO_SNDBUFFORCE	32
+#define	LINUX_SO_RCVBUFFORCE	33
 
 /* Socket options */
 #define	LINUX_IP_TOS		1