diff --git a/openair2/RRC/NR/rrc_gNB_nsa.c b/openair2/RRC/NR/rrc_gNB_nsa.c
index 70c261f1dc..ae9fcff378 100644
--- a/openair2/RRC/NR/rrc_gNB_nsa.c
+++ b/openair2/RRC/NR/rrc_gNB_nsa.c
@@ -375,7 +375,7 @@ void rrc_add_nsa_user(gNB_RRC_INST *rrc,struct rrc_gNB_ue_context_s *ue_context_
 
   nr_rrc_pdcp_config_asn1_req(
     &ctxt,
-    (NR_SRB_ToAddModList_t *) NULL,
+    ue_context_p->ue_context.rb_config->srb_ToAddModList,
     ue_context_p->ue_context.rb_config->drb_ToAddModList ,
     ue_context_p->ue_context.rb_config->drb_ToReleaseList,
     (ue_context_p->ue_context.integrity_algorithm << 4) | ue_context_p->ue_context.ciphering_algorithm,
@@ -388,11 +388,11 @@ void rrc_add_nsa_user(gNB_RRC_INST *rrc,struct rrc_gNB_ue_context_s *ue_context_
     ue_context_p->ue_context.secondaryCellGroup->rlc_BearerToAddModList);
 
   nr_rrc_rlc_config_asn1_req (&ctxt,
-      (NR_SRB_ToAddModList_t *) NULL,
-      ue_context_p->ue_context.rb_config->drb_ToAddModList,
-      ue_context_p->ue_context.rb_config->drb_ToReleaseList,
-      (LTE_PMCH_InfoList_r9_t *) NULL,
-      ue_context_p->ue_context.secondaryCellGroup->rlc_BearerToAddModList);
+                              ue_context_p->ue_context.rb_config->srb_ToAddModList,
+                              ue_context_p->ue_context.rb_config->drb_ToAddModList,
+                              ue_context_p->ue_context.rb_config->drb_ToReleaseList,
+                              (LTE_PMCH_InfoList_r9_t *) NULL,
+                              ue_context_p->ue_context.secondaryCellGroup->rlc_BearerToAddModList);
 
   LOG_D(RRC, "%s:%d: done RRC PDCP/RLC ASN1 request for UE rnti %x\n", __FUNCTION__, __LINE__, ctxt.rnti);
 
diff --git a/openair2/RRC/NR/rrc_gNB_reconfig.c b/openair2/RRC/NR/rrc_gNB_reconfig.c
index 8874ff8667..82aae08977 100644
--- a/openair2/RRC/NR/rrc_gNB_reconfig.c
+++ b/openair2/RRC/NR/rrc_gNB_reconfig.c
@@ -162,6 +162,14 @@ void fill_default_secondaryCellGroup(NR_ServingCellConfigCommon_t *servingcellco
 
   secondaryCellGroup->rlc_BearerToAddModList = calloc(1,sizeof(*secondaryCellGroup->rlc_BearerToAddModList));
   ASN_SEQUENCE_ADD(&secondaryCellGroup->rlc_BearerToAddModList->list, RLC_BearerConfig);
+
+  NR_RLC_BearerConfig_t *RLC_BearerConfig2 = calloc(1,sizeof(*RLC_BearerConfig2));
+  nr_rlc_bearer_init(RLC_BearerConfig2, NR_RLC_BearerConfig__servedRadioBearer_PR_srb_Identity);
+  nr_drb_config(RLC_BearerConfig2->rlc_Config, NR_RLC_Config_PR_am);
+  nr_rlc_bearer_init_ul_spec(RLC_BearerConfig2->mac_LogicalChannelConfig);
+  *RLC_BearerConfig2->mac_LogicalChannelConfig->ul_SpecificParameters->logicalChannelGroup = 0; // FIXME: this should be obtained in nr_rlc_bearer_init_ul_spec()
+  ASN_SEQUENCE_ADD(&secondaryCellGroup->rlc_BearerToAddModList->list, RLC_BearerConfig2);
+
   secondaryCellGroup->mac_CellGroupConfig=calloc(1,sizeof(*secondaryCellGroup->mac_CellGroupConfig));
   secondaryCellGroup->mac_CellGroupConfig->drx_Config = NULL;
   secondaryCellGroup->mac_CellGroupConfig->schedulingRequestConfig = NULL;
@@ -1251,7 +1259,14 @@ void fill_default_rbconfig(NR_RadioBearerConfig_t *rbconfig,
                            e_NR_CipheringAlgorithm ciphering_algorithm,
                            e_NR_SecurityConfig__keyToUse key_to_use) {
 
-  rbconfig->srb_ToAddModList = NULL;
+  rbconfig->srb_ToAddModList = calloc(1,sizeof(*rbconfig->srb_ToAddModList));
+  NR_SRB_ToAddMod_t *srb_ToAddMod = calloc(1,sizeof(*srb_ToAddMod));
+  srb_ToAddMod->srb_Identity = rb_id;
+  srb_ToAddMod->reestablishPDCP = NULL;
+  srb_ToAddMod->discardOnPDCP = NULL;
+  srb_ToAddMod->pdcp_Config = NULL;
+  ASN_SEQUENCE_ADD(&rbconfig->srb_ToAddModList->list,srb_ToAddMod);
+
   rbconfig->srb3_ToRelease = NULL;
   rbconfig->drb_ToAddModList = calloc(1,sizeof(*rbconfig->drb_ToAddModList));
   NR_DRB_ToAddMod_t *drb_ToAddMod = calloc(1,sizeof(*drb_ToAddMod));