diff --git a/openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c b/openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c
index 42530b40749de14fc6fde86b29ce2ebfd95ccc59..6f3e7a49a4e008366a1f76ff7d891f6b1212a927 100644
--- a/openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c
+++ b/openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c
@@ -313,7 +313,7 @@ int nr_dlsch_encoding(unsigned char *a,
 
   LOG_D(PHY,"dlsch coding A %d G %d mod_order %d\n", A,G, mod_order);
 
-  Tbslbrm = nr_compute_tbs(Qm,R,nb_rb,frame_parms->symbols_per_slot,0,0, rel15.nb_layers);
+  Tbslbrm = nr_compute_tbs(nr_get_Qm_dl(28,1),nr_get_code_rate_dl(28,1),nb_rb,frame_parms->symbols_per_slot,0,0, rel15.nb_layers);
 
   //  if (dlsch->harq_processes[harq_pid]->Ndi == 1) {  // this is a new packet
   if (dlsch->harq_processes[harq_pid]->round == 0) {  // this is a new packet
diff --git a/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c b/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c
index 687e75855dfc6bc728f956623611224d87aed524..81c8b5ce1d9957027ba8c102dbbdf00648088db1 100644
--- a/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c
+++ b/openair1/PHY/NR_UE_TRANSPORT/nr_dlsch_decoding.c
@@ -409,7 +409,7 @@ uint32_t nr_dlsch_decoding(PHY_VARS_NR_UE *phy_vars_ue,
 
   K_bytes_F = Kr_bytes-(harq_process->F>>3);
 
-  Tbslbrm = nr_compute_tbs(28,nb_rb,frame_parms->symbols_per_slot,0,0,harq_process->Nl);
+  Tbslbrm = nr_compute_tbs(nr_get_Qm_dl(28,1),nr_get_code_rate_dl(28,1),nb_rb,frame_parms->symbols_per_slot,0,0,harq_process->Nl);
 
   for (r=0; r<harq_process->C; r++) {
 
@@ -975,7 +975,7 @@ uint32_t  nr_dlsch_decoding_mthread(PHY_VARS_NR_UE *phy_vars_ue,
     Kr_bytes = Kr>>3;
     K_bytes_F = Kr_bytes-(harq_process->F>>3);
 
-    Tbslbrm = nr_compute_tbs(28,nb_rb,frame_parms->symbols_per_slot,0,0,harq_process->Nl);
+    Tbslbrm = nr_compute_tbs(nr_get_Qm_dl(28,1),nr_get_code_rate_dl(28,1),nb_rb,frame_parms->symbols_per_slot,0,0,harq_process->Nl);
 
     E = nr_get_E(G, harq_process->C, harq_process->Qm, harq_process->Nl, r);
 
@@ -1518,7 +1518,7 @@ void *nr_dlsch_decoding_process(void *arg)
   Kr_bytes = Kr>>3;
   K_bytes_F = Kr_bytes-(harq_process->F>>3);
 
-  Tbslbrm = nr_compute_tbs(28,nb_rb,frame_parms->symbols_per_slot,0,0,harq_process->Nl);
+  Tbslbrm = nr_compute_tbs(nr_get_Qm_dl(28,1),nr_get_code_rate_dl(28,1),nb_rb,frame_parms->symbols_per_slot,0,0,harq_process->Nl);
 
     E = nr_get_E(G, harq_process->C, harq_process->Qm, harq_process->Nl, r);