diff --git a/tests/test_entry_points.py b/tests/test_entry_points.py
index 06aedbd..e4ec164 100644
--- a/tests/test_entry_points.py
+++ b/tests/test_entry_points.py
@@ -186,7 +186,9 @@ def start(arg_dict):  # simplify run
         with self.assertRaisesRegex(ValueError, "gpu indices"):
             arguments = defaults.copy()
             arguments["-g"] = f"{n_devices}"
+            start(arguments)
         # negative index (and test list input)
         with self.assertRaisesRegex(ValueError, "gpu indices"):
             arguments = defaults.copy()
             arguments["-g"] = "0 -1"
+            start(arguments)