diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn
index 2a89659..97ec4c6 100644
--- a/bsc/BSC_Tests.ttcn
+++ b/bsc/BSC_Tests.ttcn
@@ -3479,9 +3479,11 @@
 	pars.encr := valueof(t_EncrParams('10'O, f_rnd_octstring(8), f_rnd_octstring(16)));
 
 	f_init(1, true);
+	f_vty_encryption_a5("0 1 3 4");
 	f_sleep(1.0);
 	vc_conn := f_start_handler(refers(f_tc_assignment_fr_a5), pars);
 	vc_conn.done;
+	f_vty_encryption_a5_reset();
 	f_shutdown_helper();
 }
 
@@ -4816,12 +4818,13 @@
 	f_shutdown_helper();
 }
 
-function f_tc_ho_int_a5(OCT1 encr_alg) runs on test_CT {
+function f_tc_ho_int_a5(OCT1 encr_alg, charstring enc_a5 := "0 1 3") runs on test_CT {
 	var MSC_ConnHdlr vc_conn;
 	var TestHdlrParams pars := f_gen_test_hdlr_pars();
 	pars.encr := valueof(t_EncrParams(encr_alg, f_rnd_octstring(8), f_rnd_octstring(16)));
 
 	f_init(2, true);
+	f_vty_encryption_a5(enc_a5);
 	f_sleep(1.0);
 
 	f_ctrs_bsc_and_bts_init();
@@ -4838,6 +4841,7 @@
 	f_ctrs_bsc_and_bts_add(0, "intra_bsc_ho:attempted");
 	f_ctrs_bsc_and_bts_add(0, "intra_bsc_ho:completed");
 	f_ctrs_bsc_and_bts_verify();
+	f_vty_encryption_a5_reset();
 	f_shutdown_helper();
 }
 
@@ -4854,7 +4858,7 @@
 }
 
 testcase TC_ho_int_a5_4() runs on test_CT {
-	f_tc_ho_int_a5('10'O);
+	f_tc_ho_int_a5('10'O, "0 1 3 4");
 }
 
 /* intra-BSC hand-over with CONNection FAILure and cause Radio Link Failure: check RR release cause */