diff --git a/hio/lib/dns.c b/hio/lib/dns.c
index 4c91dbf..5530f11 100644
--- a/hio/lib/dns.c
+++ b/hio/lib/dns.c
@@ -765,7 +765,7 @@ hio_dns_msg_t* hio_dns_make_msg (hio_t* hio, hio_dns_bhdr_t* bhdr, hio_dns_bqr_t
 	msgbufsz = HIO_SIZEOF(*msg) + HIO_ALIGN_POW2(pktlen, HIO_SIZEOF_VOID_P) + xtnsize;
 
 /* TODO: msg buffer reuse */
-	msg = hio_callocmem(hio, msgbufsz);
+	msg = (hio_dns_msg_t*)hio_callocmem(hio, msgbufsz);
 	if (HIO_UNLIKELY(!msg)) return HIO_NULL;
 
 	msg->msglen = msgbufsz; /* record the instance size */
diff --git a/hio/lib/http-svr.c b/hio/lib/http-svr.c
index 423fd72..38cfb6b 100644
--- a/hio/lib/http-svr.c
+++ b/hio/lib/http-svr.c
@@ -357,7 +357,7 @@ hio_svc_htts_t* hio_svc_htts_start (hio_t* hio, hio_dev_sck_bind_t* sck_bind, hi
 	info.m.on_connect = listener_on_connect;
 	info.m.on_disconnect = listener_on_disconnect;
 	htts->lsck = hio_dev_sck_make(hio, HIO_SIZEOF(*cli), &info.m);
-	if (!htts->lsck) goto oops;
+	if (HIO_UNLIKELY(!htts->lsck)) goto oops;
 
 	/* the name 'cli' for the listening socket is awkward.
 	 * the listening socket will use the htts and sck fields for tracking only.