diff --git a/tests/tests_devices/test_std_daq_live_processing.py b/tests/tests_devices/test_std_daq_live_processing.py
index 991066e..349c301 100644
--- a/tests/tests_devices/test_std_daq_live_processing.py
+++ b/tests/tests_devices/test_std_daq_live_processing.py
@@ -53,7 +53,7 @@ def test_std_daq_live_processing_set_mode(std_daq_live_processing):
     std_daq_live_processing.set_mode("sum")
     assert std_daq_live_processing.get_mode() == "sum"
     with pytest.raises(TypeCheckError):
-        std_daq_live_processing.set_mode("average")
+        std_daq_live_processing.set_mode("mode_that_does_not_exist")
     with pytest.raises(TypeCheckError):
         std_daq_live_processing.set_mode(123)