diff --git a/sys/dev/isp/isp.c b/sys/dev/isp/isp.c
index 71c059977fd9..0a39aec0b8a4 100644
--- a/sys/dev/isp/isp.c
+++ b/sys/dev/isp/isp.c
@@ -3783,7 +3783,10 @@ isp_scan_fabric(ispsoftc_t *isp, int chan)
 		goto abort;
 	if (rs->snscb_cthdr.ct_cmd_resp != LS_ACC) {
 		int level;
-		if (rs->snscb_cthdr.ct_reason == 9 && rs->snscb_cthdr.ct_explanation == 7) {
+		/* FC-4 Type and Port Type not registered are not errors. */
+		if (rs->snscb_cthdr.ct_reason == 9 &&
+		    (rs->snscb_cthdr.ct_explanation == 0x07 ||
+		     rs->snscb_cthdr.ct_explanation == 0x0a)) {
 			level = ISP_LOG_SANCFG;
 		} else {
 			level = ISP_LOGWARN;