typedef union {
        __s32 i32;
        __u32 u32;
+       __be32 be32;
        __u16 u16;
        __u8 u8;
        int error;
 
 SCTP_ARG_CONSTRUCTOR(I32,      __s32, i32)
 SCTP_ARG_CONSTRUCTOR(U32,      __u32, u32)
+SCTP_ARG_CONSTRUCTOR(BE32,     __be32, be32)
 SCTP_ARG_CONSTRUCTOR(U16,      __u16, u16)
 SCTP_ARG_CONSTRUCTOR(U8,       __u8, u8)
 SCTP_ARG_CONSTRUCTOR(ERROR,     int, error)
 
 
                case SCTP_CMD_PROCESS_CTSN:
                        /* Dummy up a SACK for processing. */
-                       sackh.cum_tsn_ack = cmd->obj.u32;
+                       sackh.cum_tsn_ack = cmd->obj.be32;
                        sackh.a_rwnd = 0;
                        sackh.num_gap_ack_blocks = 0;
                        sackh.num_dup_tsns = 0;
 
         *    received by the SHUTDOWN sender.
         */
        sctp_add_cmd_sf(commands, SCTP_CMD_PROCESS_CTSN,
-                       SCTP_U32(chunk->subh.shutdown_hdr->cum_tsn_ack));
+                       SCTP_BE32(chunk->subh.shutdown_hdr->cum_tsn_ack));
 
 out:
        return disposition;