diff --git a/pcu/PCU_Tests_RAW.ttcn b/pcu/PCU_Tests_RAW.ttcn
index ff609fe..c800d43 100644
--- a/pcu/PCU_Tests_RAW.ttcn
+++ b/pcu/PCU_Tests_RAW.ttcn
@@ -735,7 +735,7 @@
 		mtc.stop;
 	}
 	BTS.send(ts_PCUIF_DATA_CNF(bts_nr := 0, trx_nr := 0, ts_nr := 0, block_nr := 0,
-				   fn := 0, arfcn := 871, sapi := PCU_IF_SAPI_PCH, data := macblock));
+				   fn := pcu_msg.u.data_req.fn, arfcn := 871, sapi := PCU_IF_SAPI_PCH, data := macblock));
 }
 
 /* Expect a Paging Request Type 1 from PCU on PCUIF on specified sapi.  */