diff --git a/oauth2_test.go b/oauth2_test.go
index 6cc24be..b7975e1 100644
--- a/oauth2_test.go
+++ b/oauth2_test.go
@@ -43,7 +43,7 @@ func newConf(url string) *Config {
 func TestAuthCodeURL(t *testing.T) {
 	conf := newConf("server")
 	url := conf.AuthCodeURL("foo", AccessTypeOffline, ApprovalForce)
-	const want = "server/auth?access_type=offline&prompt=consent&client_id=CLIENT_ID&redirect_uri=REDIRECT_URL&response_type=code&scope=scope1+scope2&state=foo"
+	const want = "server/auth?access_type=offline&client_id=CLIENT_ID&prompt=consent&redirect_uri=REDIRECT_URL&response_type=code&scope=scope1+scope2&state=foo"
 	if got := url; got != want {
 		t.Errorf("got auth code URL = %q; want %q", got, want)
 	}