diff --git a/route/rule_dns.go b/route/rule_dns.go
index 85ded961..7501349f 100644
--- a/route/rule_dns.go
+++ b/route/rule_dns.go
@@ -284,6 +284,7 @@ func NewLogicalDNSRule(router adapter.Router, logger log.ContextLogger, options
 		},
 		disableCache: options.DisableCache,
 		rewriteTTL:   options.RewriteTTL,
+		clientSubnet: (*netip.Addr)(options.ClientSubnet),
 	}
 	switch options.Mode {
 	case C.LogicalTypeAnd: