diff --git a/pcu/PCU_Tests.ttcn b/pcu/PCU_Tests.ttcn
index 38c50be..936f101 100644
--- a/pcu/PCU_Tests.ttcn
+++ b/pcu/PCU_Tests.ttcn
@@ -2773,9 +2773,11 @@
 
 	/* Wait timer X2002 and DL block is available after CCCH IMM ASS */
 	f_sleep(X2002);
+	/* Skip potential dummy blocks before X2002 triggers at PCU after us: */
+	fn := f_rx_rlcmac_dl_block_skip_dummy(dl_block, max_dummy := 10);
 
 	/* Expect the first (GPRS DL) block with bsn=0 and rrbp_valid=1 */
-	f_rx_rlcmac_dl_block_exp_data(dl_block, fn, data, 0);
+	f_rlcmac_dl_block_exp_data(dl_block, data, 0);
 	f_acknackdesc_ack_block(ms.dl_tbf.acknack_desc, dl_block);
 
 	/* TDMA frame number on which we are supposed to send the ACK */