diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
index e6f32b1405..7d16783416 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_dlsch.c
@@ -1275,7 +1275,6 @@ void nr_schedule_ue_spec(module_id_t module_id,
           header->LCID = DL_SCH_LCID_PADDING;
           buf += sizeof(NR_MAC_SUBHEADER_LONG);
           header->L = htons(bufEnd-buf);
-          dlsch_total_bytes += bufEnd-buf;
 
           for (; ((intptr_t)buf) % 4; buf++)
             *buf = lrand48() & 0xff;
@@ -1306,6 +1305,7 @@ void nr_schedule_ue_spec(module_id_t module_id,
       UE->mac_stats.dl.total_rbs += sched_pdsch->rbSize;
       UE->mac_stats.dl.num_mac_sdu += sdus;
       UE->mac_stats.dl.current_rbs = sched_pdsch->rbSize;
+      UE->mac_stats.dl.total_sdu_bytes += dlsch_total_bytes;
 
       /* save retransmission information */
       harq->sched_pdsch = *sched_pdsch;
diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
index 3c314c6c86..6ed327e125 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_ulsch.c
@@ -325,6 +325,7 @@ int nr_process_mac_pdu(instance_t module_idP,
 
         if (UE_idx->CellGroup) {
           LOG_D(NR_MAC, "Frame %d : ULSCH -> UL-DCCH %d (gNB %ld, %d bytes), rnti: 0x%04x \n", frameP, rx_lcid, module_idP, mac_len, crnti);
+          UE->mac_stats.ul.total_sdu_bytes += mac_len;
           mac_rlc_data_ind(module_idP,
                            crnti,
                            module_idP,
diff --git a/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h b/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
index 1cd0f89736..b8517da55e 100644
--- a/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
+++ b/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
@@ -614,6 +614,7 @@ typedef struct NR_mac_dir_stats {
   uint64_t errors;
   uint64_t total_bytes;
   uint32_t current_bytes;
+  uint64_t total_sdu_bytes;
   uint32_t total_rbs;
   uint32_t total_rbs_retx;
   uint32_t num_mac_sdu;