diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c
index 8a81d8ae4f..540e2c6291 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c
@@ -747,10 +747,10 @@ static void other_sib_sched_control(module_id_t module_idP,
   // Data to be transmitted
   memcpy(tx_req->TLVs[0].value.direct, sib_bcch_pdu, sched_pdsch_otherSI.tb_size);
 
-  tx_req->PDU_length = sched_pdsch_otherSI.tb_size;
   tx_req->PDU_index = pdu_index;
   tx_req->num_TLV = 1;
-  tx_req->TLVs[0].length = sched_pdsch_otherSI.tb_size + 2;
+  tx_req->TLVs[0].length = sched_pdsch_otherSI.tb_size;
+  tx_req->PDU_length = compute_PDU_length(tx_req->num_TLV, tx_req->TLVs[0].length);
   TX_req->Number_of_PDUs++;
   TX_req->SFN = frame;
   TX_req->Slot = slot;