diff --git a/tc/obsw_pus_tc_packer.py b/tc/obsw_pus_tc_packer.py
index d8b5a5e2a77ec4b96df6fd7ae2c6fe0fa950f79d..ba8da562d91640ce833a5f5a2459a8b861f4bb36 100644
--- a/tc/obsw_pus_tc_packer.py
+++ b/tc/obsw_pus_tc_packer.py
@@ -132,7 +132,7 @@ def pack_dummy_device_test_into(tc_queue: TcQueueT) -> TcQueueT:
     # Set On Mode
     tc_queue.appendleft(("print", "\n\rTesting Service Dummy: Set On"))
     mode_data = packModeData(object_id, 1, 0)
-    command = PusTelecommand(service=200, subservice=1, ssc=1, data=modeData)
+    command = PusTelecommand(service=200, subservice=1, ssc=1, data=mode_data)
     tc_queue.appendleft(command.pack_command_tuple())
     # Test Service 2 commands
     tc_queue.appendleft(("print", "\n\rTesting Service Dummy: Service 2"))