diff --git a/openair1/PHY/MODULATION/beamforming.c b/openair1/PHY/MODULATION/beamforming.c
index acf792b5194602c0ab503089fa6c164b8daa1b94..6864ca110ede988287fe03056aff3b66a603dc93 100644
--- a/openair1/PHY/MODULATION/beamforming.c
+++ b/openair1/PHY/MODULATION/beamforming.c
@@ -63,7 +63,7 @@ int beam_precoding(int32_t **txdataF,
   // clear txdata_BF[aa][re] for each call of ue_spec_beamforming
   memset(txdataF_BF[aa],0,sizeof(int32_t)*(frame_parms->ofdm_symbol_size));
 
-  for (p=0; p<14; p++) {
+  for (p=0; p<NB_ANTENNA_PORTS_ENB; p++) {
     if (p==0 || p==1 || p==5) {
       multadd_cpx_vector((int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size],(int16_t*)beam_weights[p][aa], (int16_t*)txdataF_BF[aa], 0, frame_parms->ofdm_symbol_size, 15);
       //mult_cpx_conj_vector((int16_t*)beam_weights[p][aa], (int16_t*)&txdataF[p][slot_offset_F+symbol*frame_parms->ofdm_symbol_size], (int16_t*)txdataF_BF[aa], frame_parms->ofdm_symbol_size, 15, 1);