diff --git a/bsc/BSC_Tests_VAMOS.ttcn b/bsc/BSC_Tests_VAMOS.ttcn
index 25dee23..99fe92d 100644
--- a/bsc/BSC_Tests_VAMOS.ttcn
+++ b/bsc/BSC_Tests_VAMOS.ttcn
@@ -264,6 +264,8 @@
 	f_sleep(1.0);
 	f_lchan_ensure_established(BSCVTY, 0, 0, chan_nr);
 
+	f_vty_transceive(BSCVTY, "bts 0 trx 0 timeslot 1 sub-slot 0 deactivate");
+
 	f_shutdown_helper();
 }