diff --git a/airframe-http-netty/src/test/scala/wvlet/airframe/http/netty/NettyRxResponseTest.scala b/airframe-http-netty/src/test/scala/wvlet/airframe/http/netty/NettyRxResponseTest.scala
new file mode 100644
index 0000000000..c4224d1951
--- /dev/null
+++ b/airframe-http-netty/src/test/scala/wvlet/airframe/http/netty/NettyRxResponseTest.scala
@@ -0,0 +1,49 @@
+/*
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package wvlet.airframe.http.netty
+
+import wvlet.airframe.http.client.SyncClient
+import wvlet.airframe.http.{Http, RPC, RxRouter}
+import wvlet.airframe.rx.Rx
+import wvlet.airspec.AirSpec
+
+object NettyRxResponseTest extends AirSpec {
+
+  @RPC
+  class RxApi {
+    def helloRx(message: String): Rx[String] = {
+      Rx.single(s"Hello ${message}!")
+    }
+  }
+
+  initDesign {
+    _.add(
+      Netty.server
+        .withRouter(RxRouter.of[RxApi])
+        .designWithSyncClient
+    )
+  }
+
+  test("hello rx") { (client: SyncClient) =>
+    val resp = client.send(
+      Http
+        .POST("/wvlet.airframe.http.netty.NettyRxResponseTest.RxApi/helloRx")
+        .withJson("""{"message":"Rx"}""")
+    )
+
+    resp.statusCode shouldBe 200
+    resp.contentString shouldBe "Hello Rx!"
+  }
+
+}