--- send_npdu.c.orig	2011-07-31 21:30:10.000000000 +0200
+++ send_npdu.c	2011-07-31 21:30:26.000000000 +0200
@@ -271,7 +271,7 @@
                     " for destination [%d bytes]\n", apdu_len,
                     dev_ptr->max_apdu);
                 npdu_free(npdu);
-                send_abort(dest_device, (uint8_t) invoke_id,
+                send_abort(dest_device, (uint32_t) invoke_id,
                     ABORT_REASON_SEGMENTATION_NOT_SUPPORTED);
                 return -1;      /* this packet is too large to send */
             }