diff --git a/openair1/SIMULATION/NR_PHY/ulsim.c b/openair1/SIMULATION/NR_PHY/ulsim.c
index b37e494906..679b5d37cf 100644
--- a/openair1/SIMULATION/NR_PHY/ulsim.c
+++ b/openair1/SIMULATION/NR_PHY/ulsim.c
@@ -338,7 +338,7 @@ int main(int argc, char **argv)
 
   crcTableInit();
 
-  nr_phy_config_request_sim(gNB, N_RB_DL, N_RB_DL, mu, Nid_cell, SSB_positions);
+  nr_phy_config_request_sim(gNB, N_RB_DL, N_RB_UL, mu, Nid_cell, SSB_positions);
 
   phy_init_nr_gNB(gNB, 0, 0);
   //init_eNB_afterRU();
@@ -583,6 +583,9 @@ int main(int argc, char **argv)
     printf("\n");
   }
 
+  free(test_input_bit);
+  free(estimated_output_bit);
+
   if (output_fd)
     fclose(output_fd);