diff --git a/transport/http/proto/proto_test.go b/transport/http/proto/proto_test.go
index 2f1cd17..1cc27f6 100644
--- a/transport/http/proto/proto_test.go
+++ b/transport/http/proto/proto_test.go
@@ -1,6 +1,7 @@
 package proto
 
 import (
+	"context"
 	"io/ioutil"
 	"net/http"
 	"net/http/httptest"
@@ -14,7 +15,7 @@
 
 	r := httptest.NewRequest(http.MethodGet, "/cat", nil)
 
-	err := EncodeProtoRequest(nil, r, cat)
+	err := EncodeProtoRequest(context.TODO(), r, cat)
 	if err != nil {
 		t.Errorf("expected no encoding errors but got: %s", err)
 		return
@@ -51,7 +52,7 @@
 
 	wr := httptest.NewRecorder()
 
-	err := EncodeProtoResponse(nil, wr, cat)
+	err := EncodeProtoResponse(context.TODO(), wr, cat)
 	if err != nil {
 		t.Errorf("expected no encoding errors but got: %s", err)
 		return