diff --git a/src/py/flwr/client/process/clientappio_servicer_test.py b/src/py/flwr/client/process/clientappio_servicer_test.py
index c5193c254c71..b06e9eb0e1c0 100644
--- a/src/py/flwr/client/process/clientappio_servicer_test.py
+++ b/src/py/flwr/client/process/clientappio_servicer_test.py
@@ -54,6 +54,7 @@ def test_set_inputs(self) -> None:
             run_id=1,
             fab_id="lorem",
             fab_version="ipsum",
+            fab_hash="dolor",
             override_config=self.maker.user_config(),
         )
         client_input = ClientAppIoInputs(message, context, run, 1)