diff --git a/cmake_targets/autotests/test_case_list.xml b/cmake_targets/autotests/test_case_list.xml
index 5687810e69..4f564b9dd8 100755
--- a/cmake_targets/autotests/test_case_list.xml
+++ b/cmake_targets/autotests/test_case_list.xml
@@ -1306,7 +1306,7 @@
                                  (Test12: SC-FDMA, 216 PRBs),
                                  (Test13: SC-FDMA, 273 PRBs),
                                  (Test14: SC-FDMA, 3 DMRS),
-                                 (Test15: MCS 16 50 PRBs 2 RX_Antenna)
+                                 (Test15: MCS 19 50 PRBs 2 RX_Antenna)
                                  (Test16: MCS 9 106 PRBs MIMO 2 layers)
                                  (Test17: MCS 9 106 PRBs MIMO 4 layers)</desc>
       <pre_compile_prog></pre_compile_prog>
@@ -1329,7 +1329,7 @@
                       -n50 -s5 -Z -r216 -R217
                       -n50 -s5 -Z -r270 -R273
                       -n100 -s5 -Z -U 2 0 2
-                      -n100 -m16 -s10 -z2
+                      -n100 -m19 -s10 -S15 -z2
                       -n100 -m9 -r106 -s10 -W2 -y2 -z2
                       -n100 -m9 -r106 -s13 -W4 -y4 -z4</main_exec_args>
 
diff --git a/openair1/SIMULATION/NR_PHY/ulsim.c b/openair1/SIMULATION/NR_PHY/ulsim.c
index 3d16eeaa2f..6521324bec 100644
--- a/openair1/SIMULATION/NR_PHY/ulsim.c
+++ b/openair1/SIMULATION/NR_PHY/ulsim.c
@@ -1224,7 +1224,7 @@ int main(int argc, char **argv)
         ////////////////////////////////////////////////////
         tx_offset = frame_parms->get_samples_slot_timestamp(slot,frame_parms,0);
         txlev_sum = 0;
-        for (int aa=0; aa<frame_parms->nb_antennas_tx; aa++) {
+        for (int aa=0; aa<UE->frame_parms.nb_antennas_tx; aa++) {
           atxlev[aa] = signal_energy(&UE->common_vars.txdata[aa][tx_offset + 5*frame_parms->ofdm_symbol_size + 4*frame_parms->nb_prefix_samples + frame_parms->nb_prefix_samples0],
                               frame_parms->ofdm_symbol_size + frame_parms->nb_prefix_samples);