diff --git a/openair2/LAYER2/nr_rlc/nr_rlc_oai_api.c b/openair2/LAYER2/nr_rlc/nr_rlc_oai_api.c
index 15b1b2133a..1201bf5a78 100644
--- a/openair2/LAYER2/nr_rlc/nr_rlc_oai_api.c
+++ b/openair2/LAYER2/nr_rlc/nr_rlc_oai_api.c
@@ -771,7 +771,7 @@ static void add_drb_um(int rnti, struct NR_DRB_ToAddMod *s, NR_RLC_BearerConfig_
     struct NR_RLC_Config__um_Bi_Directional *um;
     um = r->choice.um_Bi_Directional;
     //t_reordering    = decode_t_reordering(um->dl_UM_RLC.t_Reordering);
-    if (um->dl_UM_RLC.sn_FieldLength != um->ul_UM_RLC.sn_FieldLength) {
+    if (*um->dl_UM_RLC.sn_FieldLength != *um->ul_UM_RLC.sn_FieldLength) {
       LOG_E(RLC, "%s:%d:%s: fatal\n", __FILE__, __LINE__, __FUNCTION__);
       exit(1);
     }
diff --git a/openair2/RRC/NR/rrc_gNB_reconfig.c b/openair2/RRC/NR/rrc_gNB_reconfig.c
index 1423505daf..722281ef31 100644
--- a/openair2/RRC/NR/rrc_gNB_reconfig.c
+++ b/openair2/RRC/NR/rrc_gNB_reconfig.c
@@ -70,6 +70,18 @@ void fill_default_secondaryCellGroup(NR_ServingCellConfigCommon_t *servingcellco
   RLC_BearerConfig->reestablishRLC=calloc(1,sizeof(*RLC_BearerConfig->reestablishRLC));
   *RLC_BearerConfig->reestablishRLC=NR_RLC_BearerConfig__reestablishRLC_true;
   RLC_BearerConfig->rlc_Config=calloc(1,sizeof(*RLC_BearerConfig->rlc_Config));
+
+  // RLC UM Bi-directional Bearer configuration 
+  /*RLC_BearerConfig->rlc_Config->present = NR_RLC_Config_PR_um_Bi_Directional;
+  RLC_BearerConfig->rlc_Config->choice.um_Bi_Directional = calloc(1,sizeof(*RLC_BearerConfig->rlc_Config->choice.um_Bi_Directional));
+  RLC_BearerConfig->rlc_Config->choice.um_Bi_Directional->ul_UM_RLC.sn_FieldLength = calloc(1,sizeof(*RLC_BearerConfig->rlc_Config->choice.um_Bi_Directional->ul_UM_RLC.sn_FieldLength));
+  *RLC_BearerConfig->rlc_Config->choice.um_Bi_Directional->ul_UM_RLC.sn_FieldLength   =    NR_SN_FieldLengthUM_size12;
+
+  RLC_BearerConfig->rlc_Config->choice.um_Bi_Directional->dl_UM_RLC.sn_FieldLength = calloc(1,sizeof(*RLC_BearerConfig->rlc_Config->choice.um_Bi_Directional->dl_UM_RLC.sn_FieldLength));
+  *RLC_BearerConfig->rlc_Config->choice.um_Bi_Directional->dl_UM_RLC.sn_FieldLength   =    NR_SN_FieldLengthUM_size12;
+  RLC_BearerConfig->rlc_Config->choice.um_Bi_Directional->dl_UM_RLC.t_Reassembly = NR_T_Reassembly_ms15;*/
+  
+  // RLC AM Bearer configuration
   RLC_BearerConfig->rlc_Config->present = NR_RLC_Config_PR_am;
   RLC_BearerConfig->rlc_Config->choice.am = calloc(1,sizeof(*RLC_BearerConfig->rlc_Config->choice.am));
   RLC_BearerConfig->rlc_Config->choice.am->ul_AM_RLC.sn_FieldLength = calloc(1,sizeof(*RLC_BearerConfig->rlc_Config->choice.am->ul_AM_RLC.sn_FieldLength));