diff --git a/openair1/SIMULATION/NR_PHY/dlschsim.c b/openair1/SIMULATION/NR_PHY/dlschsim.c
index 39df082f60..5427162914 100644
--- a/openair1/SIMULATION/NR_PHY/dlschsim.c
+++ b/openair1/SIMULATION/NR_PHY/dlschsim.c
@@ -110,7 +110,7 @@ int main(int argc, char **argv)
 	uint16_t nb_symb_sch = 12;
 	uint16_t nb_rb = 50;
 	uint8_t Imcs = 9;
-        uint8_t mcs_table = 1;
+        uint8_t mcs_table = 0;
 
 	cpuf = get_cpu_freq_GHz();
 
@@ -442,7 +442,7 @@ int main(int argc, char **argv)
 	mod_order = nr_get_Qm_dl(Imcs, mcs_table);
         rate = nr_get_code_rate_dl(Imcs, mcs_table);
 	available_bits = nr_get_G(nb_rb, nb_symb_sch, nb_re_dmrs, length_dmrs, mod_order, 1);
-        scale = ((mcs_table==2)&&((Imcs==20)||(Imcs==26)))?11:10;
+        scale = ((mcs_table==1)&&((Imcs==20)||(Imcs==26)))?11:10;
 	TBS = nr_compute_tbs(mod_order,rate, nb_rb, nb_symb_sch, nb_re_dmrs*length_dmrs, 0, Nl);
 	printf("available bits %u TBS %u mod_order %d\n", available_bits, TBS, mod_order);
 	//dlsch->harq_ids[subframe]= 0;