diff --git a/openair1/PHY/NR_TRANSPORT/nr_dlsch.c b/openair1/PHY/NR_TRANSPORT/nr_dlsch.c
index af89ad2cf6..35c4698761 100644
--- a/openair1/PHY/NR_TRANSPORT/nr_dlsch.c
+++ b/openair1/PHY/NR_TRANSPORT/nr_dlsch.c
@@ -412,9 +412,9 @@ uint8_t nr_generate_pdsch(PHY_VARS_gNB *gNB,
 
     ///Layer Precoding and Antenna port mapping
     // tx_layers 1-8 are mapped on antenna ports 1000-1007
-    // The precoding info is supported by nfapi such as numPRGs, prgSize, and PMIdx
-    // The same precoding matrix is applied on prgSize RBs, Thus
-    //        pmi = PMIdx[rbidx/prgSize], rbidx =0,...,rbSize-1
+    // The precoding info is supported by nfapi such as num_prgs, prg_size, prgs_list and pm_idx
+    // The same precoding matrix is applied on prg_size RBs, Thus
+    //        pmi = prgs_list[rbidx/prg_size].pm_idx, rbidx =0,...,rbSize-1
     // The Precoding matrix:
     // The Codebook Type I and Type II are not supported yet.
     // We adopt the precoding matrices of PUSCH for 4 layers.
@@ -426,8 +426,8 @@ uint8_t nr_generate_pdsch(PHY_VARS_gNB *gNB,
         for (int rb=0; rb<rel15->rbSize; rb++) {
           //get pmi info
           uint8_t pmi;
-          if (rel15->precodingAndBeamforming.prgSize > 0)
-            pmi = rel15->precodingAndBeamforming.PMIdx[(int)rb/rel15->precodingAndBeamforming.prgSize];
+          if (rel15->precodingAndBeamforming.prg_size > 0)
+            pmi = rel15->precodingAndBeamforming.prgs_list[(int)rb/rel15->precodingAndBeamforming.prg_size].pm_idx;
           else
             pmi = 0;//no precoding