diff --git a/p2p/host/autorelay/addrsplosion.go b/p2p/host/autorelay/addrsplosion.go
index c6353b1570..710dab1491 100644
--- a/p2p/host/autorelay/addrsplosion.go
+++ b/p2p/host/autorelay/addrsplosion.go
@@ -54,7 +54,7 @@ func isRelayAddr(a ma.Multiaddr) bool {
 func isDNSAddr(a ma.Multiaddr) bool {
 	if first, _ := ma.SplitFirst(a); first != nil {
 		switch first.Protocol().Code {
-		case ma.P_DNS4, ma.P_DNS6, ma.P_DNSADDR:
+		case ma.P_DNS, ma.P_DNS4, ma.P_DNS6, ma.P_DNSADDR:
 			return true
 		}
 	}