diff --git a/pridump.c b/pridump.c
index c9076f0..c1c46d3 100755
--- a/pridump.c
+++ b/pridump.c
@@ -72,7 +72,7 @@ static void dump_packet(char *buf, int len, int txrx)
 	q921_h *h = (q921_h *)buf;
 	q921_dump(h, len, 1, txrx);
 	if (!((h->h.data[0] & Q921_FRAMETYPE_MASK) & 0x3)) {
-		q931_dump((q931_h *)(h->i.data), len - 4, txrx);
+		q931_dump((q931_h *)(h->i.data), len - 4 - 2 /* FCS */, txrx);
 	}
 	fflush(stdout);
 	fflush(stderr);
diff --git a/q931.c b/q931.c
index 009e023..c794958 100755
--- a/q931.c
+++ b/q931.c
@@ -1782,7 +1782,7 @@ void q931_dump(q931_h *h, int len, int txrx)
 	int codeset;
 	c = txrx ? '>' : '<';
 	pri_message("%c Protocol Discriminator: %s (%d)  len=%d\n", c, disc2str(h->pd), h->pd, len);
-	pri_message("%c Call Ref: len=%2d (reference %d/0x%X) (%s)\n", c, h->crlen, q931_cr(h), q931_cr(h), (h->crv[0] & 0x80) ? "Terminator" : "Originator");
+	pri_message("%c Call Ref: len=%2d (reference %d/0x%X) (%s)\n", c, h->crlen, q931_cr(h) & 0x7FFF, q931_cr(h) & 0x7FFF, (h->crv[0] & 0x80) ? "Terminator" : "Originator");
 	/* Message header begins at the end of the call reference number */
 	mh = (q931_mh *)(h->contents + h->crlen);
 	pri_message("%c Message type: %s (%d)\n", c, msg2str(mh->msg), mh->msg);