diff --git a/include/net/sctp/user.h b/include/net/sctp/user.h
index b259fc5..1580c04 100644
--- a/include/net/sctp/user.h
+++ b/include/net/sctp/user.h
@@ -147,6 +147,8 @@
 #define SCTP_GET_LOCAL_ADDRS	SCTP_GET_LOCAL_ADDRS
 	SCTP_SOCKOPT_CONNECTX, /* CONNECTX requests. */
 #define SCTP_SOCKOPT_CONNECTX	SCTP_SOCKOPT_CONNECTX
+	SCTP_SOCKOPT_CONNECTX3, /* CONNECTX requests. (new implementation) */
+#define SCTP_SOCKOPT_CONNECTX3	SCTP_SOCKOPT_CONNECTX3
 };
 
 /*