diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn
index d901664..9d7ab65 100644
--- a/bts/BTS_Tests.ttcn
+++ b/bts/BTS_Tests.ttcn
@@ -5564,6 +5564,7 @@
 	timer T := 5.0;
 	var L1ctlMessage rx_dl;
 
+	L1CTL.clear;
 	PCU.clear;
 	if (wait_rts) {
 		f_pcu_wait_rts_and_data_req(bts_nr, trx_nr, ts_nr, sapi, data);