diff --git a/pcu/PCU_Tests.ttcn b/pcu/PCU_Tests.ttcn
index d4ce7ee7e..ef4683171 100644
--- a/pcu/PCU_Tests.ttcn
+++ b/pcu/PCU_Tests.ttcn
@@ -194,14 +194,13 @@ module PCU_Tests {
 
 	/* Send PS-PAGING via BSSGP to PCU, expect it to show up on L1/Um */
 	testcase TC_paging() runs on dummy_CT {
-		var hexstring imsi := '262420123456789'H;
-		var BssgpBvci bvci := 196;
 		var GsmTmsi tmsi := hex2int('01234567'H);
+		g_mmctx.imsi := '262420123456789'H;
+		g_mmctx.tlli := f_random_tlli();
+		f_init();
 
-		f_bssgp_establish();
-
-		BSSGP.send(ts_BSSGP_PS_PAGING_IMSI(bvci, imsi));
-		BSSGP.send(ts_BSSGP_PS_PAGING_PTMSI(bvci, imsi, tmsi));
+		BSSGP.send(ts_BSSGP_PS_PAGING_IMSI(mp_gb_cfg.bvci, g_mmctx.imsi));
+		BSSGP.send(ts_BSSGP_PS_PAGING_PTMSI(mp_gb_cfg.bvci, g_mmctx.imsi, tmsi));
 
 		while (true) {
 			var BssgpDecoded bd;