diff --git a/pkg/node/protocol.go b/pkg/node/protocol.go
index a951da9..8e985f1 100644
--- a/pkg/node/protocol.go
+++ b/pkg/node/protocol.go
@@ -19,7 +19,7 @@ func (e *ProtocolError) Error() string {
 type ResponseHandler struct{}
 
 // if err := handler.ValidateResponse(resp, MsgPong); err != nil { return 0, err }
-func (h *ResponseHandler) ValidateResponse(resp *Message, expectedType MessageType) error {
+func (handler *ResponseHandler) ValidateResponse(resp *Message, expectedType MessageType) error {
 	if resp == nil {
 		return &ProtocolError{Code: ErrCodeUnknown, Message: "nil response"}
 	}
@@ -43,8 +43,8 @@ func (h *ResponseHandler) ValidateResponse(resp *Message, expectedType MessageTy
 
 // var stats StatsPayload
 // if err := handler.ParseResponse(resp, MsgStats, &stats); err != nil { return nil, err }
-func (h *ResponseHandler) ParseResponse(resp *Message, expectedType MessageType, target interface{}) error {
-	if err := h.ValidateResponse(resp, expectedType); err != nil {
+func (handler *ResponseHandler) ParseResponse(resp *Message, expectedType MessageType, target interface{}) error {
+	if err := handler.ValidateResponse(resp, expectedType); err != nil {
 		return err
 	}