diff --git a/openfpga_flow/regression_test_scripts/basic_reg_test.sh b/openfpga_flow/regression_test_scripts/basic_reg_test.sh
index 9cdda1671..55993d946 100755
--- a/openfpga_flow/regression_test_scripts/basic_reg_test.sh
+++ b/openfpga_flow/regression_test_scripts/basic_reg_test.sh
@@ -169,3 +169,4 @@ run-task basic_tests/write_gsb/write_unique_gsb_to_xml_compress_routing --debug
 
 echo -e "Testing bus group features";
 run-task basic_tests/bus_group/preconfig_testbench_explicit_mapping --debug --show_thread_logs
+run-task basic_tests/bus_group/preconfig_testbench_implicit_mapping --debug --show_thread_logs