diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c
index 92867602c8..c87aa68f75 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler.c
@@ -68,8 +68,7 @@ void clear_nr_nfapi_information(gNB_MAC_INST * gNB,
   NR_ServingCellConfigCommon_t *scc = gNB->common_channels->ServingCellConfigCommon;
   const int num_slots = nr_slots_per_frame[*scc->ssbSubcarrierSpacing];
 
-  if(gNB->init_UL_tti_req_ahead == false)
-    UL_tti_req_ahead_initialization(gNB, scc, num_slots);
+  UL_tti_req_ahead_initialization(gNB, scc, num_slots, CC_idP);
 
   nfapi_nr_dl_tti_request_t    *DL_req = &gNB->DL_req[0];
   nfapi_nr_dl_tti_pdcch_pdu_rel15_t **pdcch = (nfapi_nr_dl_tti_pdcch_pdu_rel15_t **)gNB->pdcch_pdu_idx[CC_idP];
diff --git a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
index efc83c034f..f0dc29b2db 100644
--- a/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
+++ b/openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_primitives.c
@@ -2995,18 +2995,19 @@ void schedule_nr_bwp_switch(module_id_t module_id,
   }
 }
 
-void UL_tti_req_ahead_initialization(gNB_MAC_INST * gNB, NR_ServingCellConfigCommon_t *scc, int n) {
+void UL_tti_req_ahead_initialization(gNB_MAC_INST * gNB, NR_ServingCellConfigCommon_t *scc, int n, int CCid) {
 
-  gNB->UL_tti_req_ahead[0] = calloc(n, sizeof(nfapi_nr_ul_tti_request_t));
-  AssertFatal(gNB->UL_tti_req_ahead[0],
+  if(gNB->UL_tti_req_ahead[CCid]) return;
+
+  gNB->UL_tti_req_ahead[CCid] = calloc(n, sizeof(nfapi_nr_ul_tti_request_t));
+  AssertFatal(gNB->UL_tti_req_ahead[CCid],
               "could not allocate memory for RC.nrmac[]->UL_tti_req_ahead[]\n");
   /* fill in slot/frame numbers: slot is fixed, frame will be updated by scheduler
    * consider that scheduler runs sl_ahead: the first sl_ahead slots are
    * already "in the past" and thus we put frame 1 instead of 0! */
   for (int i = 0; i < n; ++i) {
-    nfapi_nr_ul_tti_request_t *req = &gNB->UL_tti_req_ahead[0][i];
+    nfapi_nr_ul_tti_request_t *req = &gNB->UL_tti_req_ahead[CCid][i];
     req->SFN = i < (gNB->if_inst->sl_ahead-1);
     req->Slot = i;
   }
-  gNB->init_UL_tti_req_ahead = true;
 }
diff --git a/openair2/LAYER2/NR_MAC_gNB/mac_proto.h b/openair2/LAYER2/NR_MAC_gNB/mac_proto.h
index 9dbd745c19..6ef11a433d 100644
--- a/openair2/LAYER2/NR_MAC_gNB/mac_proto.h
+++ b/openair2/LAYER2/NR_MAC_gNB/mac_proto.h
@@ -522,7 +522,7 @@ int get_mcs_from_bler(const NR_bler_options_t *bler_options,
                       int max_mcs,
                       frame_t frame);
 
-void UL_tti_req_ahead_initialization(gNB_MAC_INST * gNB, NR_ServingCellConfigCommon_t *scc, int n);
+void UL_tti_req_ahead_initialization(gNB_MAC_INST * gNB, NR_ServingCellConfigCommon_t *scc, int n, int CCid);
 
 void nr_sr_reporting(gNB_MAC_INST *nrmac, frame_t frameP, sub_frame_t slotP);
 
diff --git a/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h b/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
index 52ba4bf16a..03a982ab7b 100644
--- a/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
+++ b/openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h
@@ -850,7 +850,6 @@ typedef struct gNB_MAC_INST_s {
   uint8_t harq_round_max;
   uint8_t min_grant_prb;
   uint8_t min_grant_mcs;
-  bool init_UL_tti_req_ahead;
 } gNB_MAC_INST;
 
 #endif /*__LAYER2_NR_MAC_GNB_H__ */