diff --git a/tests/test_client.py b/tests/test_client.py
index 77efb00a..a27be3c8 100644
--- a/tests/test_client.py
+++ b/tests/test_client.py
@@ -81,7 +81,7 @@ def test_create_one_task_proto_any(self):
         proto_any = any_pb2.Any()
         proto_any.Pack(proto)
         results = self.client.create_tasks(
-            [TaskInput(coroutine_uri="my-cool-coroutine", input=proto)]
+            [TaskInput(coroutine_uri="my-cool-coroutine", input=proto_any)]
         )
         id = results[0]
         created_tasks = self.servicer.created_tasks