diff --git a/openair1/PHY/LTE_TRANSPORT/sss.c b/openair1/PHY/LTE_TRANSPORT/sss.c
index 6734c0da8e..9fe06586dd 100644
--- a/openair1/PHY/LTE_TRANSPORT/sss.c
+++ b/openair1/PHY/LTE_TRANSPORT/sss.c
@@ -67,7 +67,7 @@ int generate_sss(mod_sym_t **txdataF,
 
   Nsymb = (frame_parms->Ncp==NORMAL)?14:12;
   k = frame_parms->ofdm_symbol_size-3*12+5;
-  a = (frame_parms->mode1_flag == 0) ? amp : (amp*ONE_OVER_SQRT2_Q15)>>15;
+  a = (frame_parms->nb_antennas_tx == 1) ? amp : (amp*ONE_OVER_SQRT2_Q15)>>15;
 
   for (i=0; i<62; i++) {
     for (aa=0; aa<frame_parms->nb_antennas_tx; aa++) {