diff --git a/resolver/registry/registry.go b/resolver/registry/registry.go
index ce57ee70..41e4fe36 100644
--- a/resolver/registry/registry.go
+++ b/resolver/registry/registry.go
@@ -19,8 +19,7 @@ func (r *Resolver) Resolve(name string) ([]*resolver.Record, error) {
 		return nil, err
 	}
 
-	var records []*resolver.Record
-
+	records := make([]*resolver.Record, 0, len(services))
 	for _, service := range services {
 		for _, node := range service.Nodes {
 			records = append(records, &resolver.Record{