--- a/sys/netbt/l2cap_lower.c
+++ b/sys/netbt/l2cap_lower.c
@@ -200,6 +200,8 @@
 	DPRINTFN(5, "CID #%d sending packet (%d bytes)\n",
 		chan->lc_lcid, m->m_pkthdr.len);
 
-	chan->lc_pending++;
-	return hci_acl_send(m, chan->lc_link, chan);
+	err = hci_acl_send(m, chan->lc_link, chan);
+	if (err == 0)
+		chan->lc_pending++;
+	return err;
 }