diff --git a/scripts/jobs/housing/housing_nec_migration_people_data_load_gx_suite.py b/scripts/jobs/housing/housing_nec_migration_people_data_load_gx_suite.py
index 279ee8dd6..431ff14a1 100644
--- a/scripts/jobs/housing/housing_nec_migration_people_data_load_gx_suite.py
+++ b/scripts/jobs/housing/housing_nec_migration_people_data_load_gx_suite.py
@@ -14,7 +14,7 @@
 
 
 class PeopleExpectPersonRefTenancyRefColumnValuesToBeUnique(gxe.ExpectCompoundColumnsToBeUnique):
-    column: list = ["lpar_per_alt_ref", "lpar_tcy_alt_ref"]
+    column_list = ["lpar_per_alt_ref", "lpar_tcy_alt_ref"]
     description: str = "Expect lpar_per_alt_ref (person ref) and lpar_tcy_alt_ref (tenancy ref) values to be unique"