diff --git a/openair1/SCHED_NR/nr_ru_procedures.c b/openair1/SCHED_NR/nr_ru_procedures.c
index c01b65c19ae964508d8ea8f486234d49cda69884..c1d88c9a04cadbb7fda9d5a311a388bc5835c3f9 100644
--- a/openair1/SCHED_NR/nr_ru_procedures.c
+++ b/openair1/SCHED_NR/nr_ru_procedures.c
@@ -124,7 +124,7 @@ void nr_feptx_ofdm_2thread(RU_t *ru,int frame_tx,int tti_tx) {
   int j    = 0;//symbol
   int aa   = 0;//logical antenna number
   int ret  = 0;
-  int nb_antenna_ports = fp->L_ssb;
+  int nb_antenna_ports = fp->Lmax;
   int ofdm_mask_full   = (1<<(ru->nb_tx*2))-1;
   int txdataF_offset   = ((tti_tx%2)*fp->samples_per_slot_wCP);
 
@@ -136,7 +136,6 @@ void nr_feptx_ofdm_2thread(RU_t *ru,int frame_tx,int tti_tx) {
   start_meas(&ru->ofdm_total_stats);
 
   //if (nr_slot_select(cfg,frame_tx,slot)==NR_DOWNLINK_SLOT) {
-
     if(ru->num_gNB != 0){//L1 RU on same machine
       VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_RU_FEPTX_OFDM , 1 );
       for(j=0; j<2; ++j){//half slot 
@@ -281,7 +280,7 @@ static void *nr_feptx_thread(void *param) {
       start_meas(&ru->precoding_stats);
       if (ru->nb_tx == 1) {
         AssertFatal(fp->N_ssb==ru->nb_tx,"Attempting to transmit %d SSB while Nb_tx = %d",fp->N_ssb,ru->nb_tx);
-        for (int p=0; p<fp->Lmax; p++) {
+        for (int p=0; p<nb_antenna_ports; p++) {
           if ((fp->L_ssb >> p) & 0x01){
             memcpy((void*)&ru->common.txdataF_BF[0][l*fp->ofdm_symbol_size],
                  (void*)&ru->gNB_list[0]->common_vars.txdataF[p][txdataF_offset + l*fp->ofdm_symbol_size],
diff --git a/openair1/SCHED_NR/phy_procedures_nr_gNB.c b/openair1/SCHED_NR/phy_procedures_nr_gNB.c
index 6157f5955ced598e763cfd8b2fd9368e5943d4ba..11d6f1844f84730edb3707fe9cf5d97fd88dd301 100644
--- a/openair1/SCHED_NR/phy_procedures_nr_gNB.c
+++ b/openair1/SCHED_NR/phy_procedures_nr_gNB.c
@@ -164,7 +164,7 @@ void phy_procedures_gNB_TX(PHY_VARS_gNB *gNB,
     ssb_frame_periodicity = 1 <<(cfg->ssb_table.ssb_period.value -1) ;  // 10ms is the frame length
 
   if ((cfg->cell_config.frame_duplex_type.value == TDD) &&
-      ((nr_slot_select(cfg,frame,slot)&NR_UPLINK_SLOT) > 0)) return;
+      (nr_slot_select(cfg,frame,slot) == NR_UPLINK_SLOT)) return;
 
   VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_PROCEDURES_ENB_TX+offset,1);