diff --git a/bsc/BSC_Tests.ttcn b/bsc/BSC_Tests.ttcn
index 20fcf36..b141a0a 100644
--- a/bsc/BSC_Tests.ttcn
+++ b/bsc/BSC_Tests.ttcn
@@ -4521,7 +4521,7 @@
 }
 
 private function f_mo_l3_transceive(template (value) RslLinkId link_id := ts_RslLinkID_DCCH(0),
-				    template (present) OCT1 dlci := '00'O,
+				    template (present) OCT1 dlci := ?,
 				    octetstring l3 := '0123456789'O)
 runs on MSC_ConnHdlr {
 	/* The old lchan and conn should still be active. See that arbitrary L3