diff --git a/openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c b/openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c
index ca33c531e4..ca3e9b83a9 100644
--- a/openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c
+++ b/openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c
@@ -65,7 +65,9 @@ void fill_ul_config(fapi_nr_ul_config_request_t *ul_config, frame_t frame_tx, in
   AssertFatal(ul_config->number_pdus < sizeof(ul_config->ul_config_list) / sizeof(ul_config->ul_config_list[0]),
               "Number of PDUS in ul_config = %d > ul_config_list num elements", ul_config->number_pdus);
   // clear ul_config for new frame/slot
-  if ((ul_config->slot != slot_tx || ul_config->sfn != frame_tx) && ul_config->number_pdus != 0) {
+  if ((ul_config->slot != slot_tx || ul_config->sfn != frame_tx) &&
+      ul_config->number_pdus != 0 &&
+      !get_softmodem_params()->emulate_l1) {
     LOG_D(MAC, "%d.%d %d.%d f clear ul_config %p t %d pdu %d\n", frame_tx, slot_tx, ul_config->sfn, ul_config->slot, ul_config, pdu_type, ul_config->number_pdus);
     ul_config->number_pdus = 0;
     memset(ul_config->ul_config_list, 0, sizeof(ul_config->ul_config_list));