diff --git a/openair1/PHY/NR_UE_TRANSPORT/dci_nr.c b/openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
index 336d388d40..308d033fbe 100644
--- a/openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
+++ b/openair1/PHY/NR_UE_TRANSPORT/dci_nr.c
@@ -686,9 +686,9 @@ int32_t nr_rx_pdcch(PHY_VARS_NR_UE *ue,
 
   // Pointers to extracted PDCCH symbols in frequency-domain.
   int32_t rx_size = 4*273*12;
-  int32_t rxdataF_ext[4*frame_parms->nb_antennas_rx][rx_size];
-  int32_t rxdataF_comp[4*frame_parms->nb_antennas_rx][rx_size];
-  int32_t pdcch_dl_ch_estimates_ext[4*frame_parms->nb_antennas_rx][rx_size];
+  __attribute__ ((aligned(32))) int32_t rxdataF_ext[4*frame_parms->nb_antennas_rx][rx_size];
+  __attribute__ ((aligned(32))) int32_t rxdataF_comp[4*frame_parms->nb_antennas_rx][rx_size];
+  __attribute__ ((aligned(32))) int32_t pdcch_dl_ch_estimates_ext[4*frame_parms->nb_antennas_rx][rx_size];
 
   // Pointer to llrs, 4-bit resolution.
   int32_t llr_size = 2*4*100*12;
diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c b/openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c
index 48b08d761e..78e4a8a4e8 100644
--- a/openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c
+++ b/openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c
@@ -430,8 +430,8 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue,
 
   for (symbol=1; symbol<4; symbol++) {
     const uint16_t nb_re=symbol == 2 ? 72 : 180;
-    struct complex16 rxdataF_ext[frame_parms->nb_antennas_rx][PBCH_MAX_RE_PER_SYMBOL];
-    struct complex16 dl_ch_estimates_ext[frame_parms->nb_antennas_rx][PBCH_MAX_RE_PER_SYMBOL];
+    __attribute__ ((aligned(32))) struct complex16 rxdataF_ext[frame_parms->nb_antennas_rx][PBCH_MAX_RE_PER_SYMBOL];
+    __attribute__ ((aligned(32))) struct complex16 dl_ch_estimates_ext[frame_parms->nb_antennas_rx][PBCH_MAX_RE_PER_SYMBOL];
     memset(dl_ch_estimates_ext,0, sizeof  dl_ch_estimates_ext);
     nr_pbch_extract(nr_ue_common_vars->common_vars_rx_data_per_thread[proc->thread_id].rxdataF,
                     estimateSz,
@@ -456,7 +456,7 @@ int nr_rx_pbch( PHY_VARS_NR_UE *ue,
 #ifdef DEBUG_PBCH
     LOG_I(PHY,"[PHY] PBCH log2_maxh = %d (%d)\n",nr_ue_pbch_vars->log2_maxh,max_h);
 #endif
-    struct complex16 rxdataF_comp[frame_parms->nb_antennas_rx][PBCH_MAX_RE_PER_SYMBOL];
+    __attribute__ ((aligned(32))) struct complex16 rxdataF_comp[frame_parms->nb_antennas_rx][PBCH_MAX_RE_PER_SYMBOL];
     nr_pbch_channel_compensation(rxdataF_ext,
                                  dl_ch_estimates_ext,
                                  nb_re,