diff --git a/tests/devices/unit_tests/util/test_save_panda.py b/tests/devices/unit_tests/util/test_save_panda.py
index 8f66ac3eb8..27d94d5196 100644
--- a/tests/devices/unit_tests/util/test_save_panda.py
+++ b/tests/devices/unit_tests/util/test_save_panda.py
@@ -39,7 +39,7 @@ def test_save_panda_failure_to_create_device_exits_with_failure_code(mock_exit):
         with pytest.raises(AssertionError):
             _save_panda("i03", "panda", "test/file.yml")
 
-    assert mock_exit.assert_called_once_with(1)
+    mock_exit.assert_called_once_with(1)
 
 
 @patch("dodal.devices.util.save_panda._save_panda")