Clean up signed vs. unsigned.

1 files changed, 1 insertions, 1 deletions

diff --git a/print-bt.c b/print-bt.c
index 89427176..8e03a4e9 100644
--- a/print-bt.c
+++ b/print-bt.c
@@ -53,7 +53,7 @@ bt_if_print(netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char *
 	length -= BT_HDRLEN;
 	p += BT_HDRLEN;
 	if (ndo->ndo_eflag)
-		ND_PRINT("hci length %d, direction %s, ", length, (EXTRACT_BE_U_4(&hdr->direction)&0x1)?"in":"out");
+		ND_PRINT("hci length %u, direction %s, ", length, (EXTRACT_BE_U_4(&hdr->direction)&0x1)?"in":"out");
 
 	if (!ndo->ndo_suppress_default_print)
 		ND_DEFAULTPRINT(p, caplen);