diff --git a/python/ql/test/experimental/dataflow/coverage/classes.py b/python/ql/test/experimental/dataflow/coverage/classes.py
index 0636eafcd7b..3fa717b6ff0 100644
--- a/python/ql/test/experimental/dataflow/coverage/classes.py
+++ b/python/ql/test/experimental/dataflow/coverage/classes.py
@@ -1521,7 +1521,7 @@ class With_await:
     def __await__(self):
         SINK1(self)
         OK()  # Call not found
-        return (yield from asyncio.coroutine(lambda: "")())
+        return (yield from [])
 
 
 async def atest_await():