diff --git a/option/dns_record.go b/option/dns_record.go
index 90c25730..190f5483 100644
--- a/option/dns_record.go
+++ b/option/dns_record.go
@@ -8,6 +8,7 @@ import (
 	E "github.com/sagernet/sing/common/exceptions"
 	"github.com/sagernet/sing/common/json"
 	"github.com/sagernet/sing/common/json/badoption"
+	M "github.com/sagernet/sing/common/metadata"
 
 	"github.com/miekg/dns"
 )
@@ -135,6 +136,9 @@ func (o *DNSRecordOptions) UnmarshalJSON(data []byte) error {
 	if err != nil {
 		return err
 	}
+	if a, isA := record.(*dns.A); isA {
+		a.A = M.AddrFromIP(a.A).Unmap().AsSlice()
+	}
 	o.RR = record
 	return nil
 }