diff --git a/openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c b/openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c
index 7f4f4cf5f6..68f3abc094 100644
--- a/openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c
+++ b/openair1/PHY/LTE_TRANSPORT/ulsch_decoding.c
@@ -872,7 +872,7 @@ unsigned int  ulsch_decoding(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,
   int16_t ys,c;
   uint32_t wACK_idx;
   uint8_t dummy_w_cc[3*(MAX_CQI_BITS+8+32)];
-  int16_t y[6*14*1200];
+  int16_t y[6*14*1200] __attribute__((aligned(32)));
   uint8_t ytag[14*1200];
   //  uint8_t ytag2[6*14*1200],*ytag2_ptr;
   int16_t cseq[6*14*1200];