diff --git a/pus_tc/system/tcs.py b/pus_tc/system/tcs.py
index 75924f6..fda1a76 100644
--- a/pus_tc/system/tcs.py
+++ b/pus_tc/system/tcs.py
@@ -27,7 +27,7 @@ def pack_tcs_sys_commands(tc_queue: TcQueueT, op_code: str):
     if op_code in OpCodes.TCS_BOARD_ASS_OFF:
         command_assembly(
             object_id=TCS_BOARD_ASS_ID,
-            mode=Modes.NORMAL,
+            mode=Modes.OFF,
             submode=0,
             tc_queue=tc_queue,
             info=Info.TCS_BOARD_ASS_OFF,