diff --git a/msc/BSC_ConnectionHandler.ttcn b/msc/BSC_ConnectionHandler.ttcn
index be12fae..6f8078b 100644
--- a/msc/BSC_ConnectionHandler.ttcn
+++ b/msc/BSC_ConnectionHandler.ttcn
@@ -916,11 +916,11 @@
 	}
 }
 
-function f_expect_lu_reject(template OCT1 cause := ?) runs on BSC_ConnHdlr {
+function f_expect_lu_reject(template OCT1 cause := ?, float Tval := 5.0) runs on BSC_ConnHdlr {
 	var PDU_DTAP_MT dtap_mt;
-	timer T := 5.0;
+	timer T;
 
-	T.start;
+	T.start(Tval);
 	alt {
 	[] BSSAP.receive(tr_PDU_DTAP_MT(tr_ML3_MT_LU_Rej(cause))) {
 		setverdict(pass);