diff --git a/openair1/PHY/LTE_TRANSPORT/proto.h b/openair1/PHY/LTE_TRANSPORT/proto.h
index 409c41da4fe22725120f0ee55c9c6be195f8e458..26398c085da61c3eecf024d9cbc53a29ca18da92 100644
--- a/openair1/PHY/LTE_TRANSPORT/proto.h
+++ b/openair1/PHY/LTE_TRANSPORT/proto.h
@@ -1899,7 +1899,7 @@ uint16_t quantize_subband_pmi(PHY_MEASUREMENTS *meas,uint8_t eNB_id,int nb_subba
 
 int32_t pmi_convert_rank1_from_rank2(uint16_t pmi_alloc, int tpmi, int nb_rb);
 
-//uint16_t quantize_subband_pmi2(PHY_MEASUREMENTS *meas,uint8_t eNB_id,uint8_t a_id,int nb_subbands);
+uint16_t quantize_subband_pmi2(PHY_MEASUREMENTS *meas,uint8_t eNB_id,uint8_t a_id,int nb_subbands);
 
 uint64_t pmi2hex_2Ar1(uint32_t pmi);