diff --git a/LCU/checkhardware/test/t_check_hardware.py b/LCU/checkhardware/test/t_check_hardware.py
index 3acf60b170635a585a4974dc3414486061a9adbe..7b48e65e195a15cf1235c86c7c9a561020855f92 100644
--- a/LCU/checkhardware/test/t_check_hardware.py
+++ b/LCU/checkhardware/test/t_check_hardware.py
@@ -275,7 +275,7 @@ class TestCheckHardware(unittest.TestCase):
             # -TST (test mode)
             # -e5: (element test in mode 5)
             # Names optimized for disk space
-            testargs = ["check_hardware.py", '-TST', '-s5']
+            testargs = ["check_hardware.py", '-TST', '-e5']
             with patch.object(sys, 'argv', testargs):
                 # trigger action
                 check_hardware.main() # Warning: Something acts as a fork bomb when mocks are not setup properly!