diff --git a/cime_config/acme/testmods_dirs/allactive/clm/betr/xmlchange_cmnds b/cime_config/acme/testmods_dirs/allactive/clm/betr/xmlchange_cmnds
new file mode 100644
index 00000000000..12b3a6af75e
--- /dev/null
+++ b/cime_config/acme/testmods_dirs/allactive/clm/betr/xmlchange_cmnds
@@ -0,0 +1,2 @@
+./xmlchange CLM_BLDNML_OPTS="-bgc sp -betr_mode on"
+
diff --git a/utils/python/update_acme_tests.py b/utils/python/update_acme_tests.py
index 2ca41e14ebc..a4695cb12f8 100644
--- a/utils/python/update_acme_tests.py
+++ b/utils/python/update_acme_tests.py
@@ -66,6 +66,7 @@
                               "ERS.f09_g16.I1850CLM45CN",
                               "SMS.hcru_hcru.I1850CRUCLM45CN",
                              ("SMS_Ly3_P1x1.1x1_smallvilleIA.ICLM45CNCROP", "force_netcdf_pio"),
+                             ("ERS.f19_g16.I1850CLM45","clm-betr"),
                               "ERS.ne11_oQU240.I20TRCLM45",
                               "ERS.f09_g16.IMCLM45BC")
                              ),