diff --git a/tests/test_target.py b/tests/test_target.py
index 1fa3770..7827167 100644
--- a/tests/test_target.py
+++ b/tests/test_target.py
@@ -68,7 +68,7 @@ async def test_parallel():
 @pytest.mark.asyncio
 async def test_function():
     async def hello(target):
-        target.exec('hello')
+        await target.exec('hello')
     await Stub()(hello)