diff --git a/openair2/LAYER2/nr_rlc/nr_rlc_entity_tm.c b/openair2/LAYER2/nr_rlc/nr_rlc_entity_tm.c
index 962dddc80b..5903cd9c86 100644
--- a/openair2/LAYER2/nr_rlc/nr_rlc_entity_tm.c
+++ b/openair2/LAYER2/nr_rlc/nr_rlc_entity_tm.c
@@ -154,6 +154,8 @@ void nr_rlc_entity_tm_recv_sdu(nr_rlc_entity_t *_entity,
 
   /* update buffer status */
   entity->common.bstatus.tx_size += sdu->size;
+
+  sdu->sdu->time_of_arrival = time_average_now();
 }
 
 /*************************************************************************/
diff --git a/openair2/LAYER2/nr_rlc/nr_rlc_entity_um.c b/openair2/LAYER2/nr_rlc/nr_rlc_entity_um.c
index 5ae1ca1fdd..d8356419bc 100644
--- a/openair2/LAYER2/nr_rlc/nr_rlc_entity_um.c
+++ b/openair2/LAYER2/nr_rlc/nr_rlc_entity_um.c
@@ -594,6 +594,8 @@ void nr_rlc_entity_um_recv_sdu(nr_rlc_entity_t *_entity,
   /* update buffer status */
   entity->common.bstatus.tx_size += compute_pdu_header_size(entity, sdu)
                                     + sdu->size;
+
+  sdu->sdu->time_of_arrival = time_average_now();
 }
 
 /*************************************************************************/