diff --git a/pkg/query/util.go b/pkg/query/util.go
index 4df5e97..10e51fb 100644
--- a/pkg/query/util.go
+++ b/pkg/query/util.go
@@ -179,7 +179,7 @@ func (message *Message) ParseOpt(rcode int, rr dns.OPT) (ret EDNS0, err error) {
 
 	for i := uint32(1); i <= 0x7FFF; i <<= 1 {
 		if rr.Hdr.Ttl&i != 0 {
-			ret.Flags = append(ret.Flags, fmt.Sprintf("FLAG%d", i))
+			ret.Flags = append(ret.Flags, fmt.Sprintf("BIT%d", i))
 		}
 	}