diff --git a/openair1/PHY/INIT/nr_init_ue.c b/openair1/PHY/INIT/nr_init_ue.c
index ca18b7509b..67c5605f2b 100644
--- a/openair1/PHY/INIT/nr_init_ue.c
+++ b/openair1/PHY/INIT/nr_init_ue.c
@@ -526,6 +526,10 @@ void term_nr_ue_signal(PHY_VARS_NR_UE *ue, int nb_connected_gNB)
       free_and_zero(ue->pdsch_vars[th_id][gNB_id]);
     }
 
+    for (int th_id = 0; th_id < RX_NB_TH_MAX; th_id++) {
+      free_and_zero(ue->pdcch_vars[th_id][gNB_id]);
+    }
+
     for (int i = 0; i < fp->nb_antennas_rx; i++) {
       free_and_zero(ue->nr_srs_info->srs_received_signal[i]);
       free_and_zero(ue->nr_srs_info->srs_ls_estimated_channel[i]);
diff --git a/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c b/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
index 2f643866e5..20c9b7a1ac 100644
--- a/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
+++ b/openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
@@ -1478,8 +1478,8 @@ int phy_procedures_nrUE_RX(PHY_VARS_NR_UE *ue,
   }
 
     // Hold the channel estimates in frequency domain.
-  int32_t pdcch_est_size = fp->symbols_per_slot*(fp->ofdm_symbol_size+LTE_CE_FILTER_LENGTH);
-  int32_t pdcch_dl_ch_estimates[4*fp->nb_antennas_rx][pdcch_est_size];
+  int32_t pdcch_est_size = ((((fp->symbols_per_slot*(fp->ofdm_symbol_size+LTE_CE_FILTER_LENGTH))+15)/16)*16);
+  __attribute__ ((aligned(16))) int32_t pdcch_dl_ch_estimates[4*fp->nb_antennas_rx][pdcch_est_size];
 
   dci_cnt = 0;
   for(int n_ss = 0; n_ss<phy_pdcch_config->nb_search_space; n_ss++) {