diff --git a/common/utils/T/tracer/macpdu2wireshark.c b/common/utils/T/tracer/macpdu2wireshark.c
index 02720e01f3..cfa90a24db 100644
--- a/common/utils/T/tracer/macpdu2wireshark.c
+++ b/common/utils/T/tracer/macpdu2wireshark.c
@@ -274,6 +274,7 @@ void sr(void *_d, event e)
 #define NR_NO_RNTI 0
 #define NR_RA_RNTI 2
 #define NR_C_RNTI  3
+#define NR_SI_RNTI 4
 
 void trace_nr(ev_data *d, int direction, int rnti_type, int rnti,
         int frame, int slot, int harq_pid, void *buf, int bufsize,
@@ -346,8 +347,17 @@ void nr_dl(void *_d, event e)
 {
   ev_data *d = _d;
 
-  trace_nr(d, NR_DIRECTION_DOWNLINK, NR_C_RNTI, e.e[d->nr_dl_rnti].i,
-           e.e[d->nr_dl_frame].i, e.e[d->nr_dl_slot].i,
+  if (e.e[d->dl_rnti].i == 0xffff) {
+    if (d->no_sib) return;
+
+    if (d->max_sib && d->cur_sib == d->max_sib) return;
+
+    d->cur_sib++;
+  }
+
+  trace_nr(d, NR_DIRECTION_DOWNLINK,
+           e.e[d->dl_rnti].i != 0xffff ? NR_C_RNTI : NR_SI_RNTI,
+           e.e[d->nr_dl_rnti].i, e.e[d->nr_dl_frame].i, e.e[d->nr_dl_slot].i,
            e.e[d->nr_dl_harq_pid].i, e.e[d->nr_dl_data].b,
            e.e[d->nr_dl_data].bsize, NO_PREAMBLE);
 }
diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c
index 5d36b7d51b..3c5d56893d 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c
@@ -608,6 +608,10 @@ void schedule_nr_sib1(module_id_t module_idP,
       TX_req->Slot = slotP;
 
       type0_PDCCH_CSS_config->active = false;
+
+      T(T_GNB_MAC_DL_PDU_WITH_DATA, T_INT(module_idP), T_INT(CC_id),
+        T_INT(0xffff), T_INT(frameP), T_INT(slotP), T_INT(0 /* harq_pid */),
+        T_BUFFER(sib1_payload, TBS));
     }
   }
 }