diff --git a/backend/categorisation/categorisation_trigger_request.py b/backend/categorisation/categorisation_trigger_request.py
index 4b35f75c..fbc2328b 100644
--- a/backend/categorisation/categorisation_trigger_request.py
+++ b/backend/categorisation/categorisation_trigger_request.py
@@ -6,7 +6,7 @@ class CategorisationTriggerRequest(BaseModel):
     portfolio_id: int
 
     scenarios_to_consider: Optional[List[int]] = None
-    plan_priority_order: Optional[List[int]] = None
+    scenario_priority_order: Optional[List[int]] = None
 
 
 # {"portfolio_id": 556, "plans_to_consider": [1589319,1589320], "plan_priority_order": [1589319,1589320]}
diff --git a/backend/categorisation/handler/handler.py b/backend/categorisation/handler/handler.py
index dc10fa4e..9fb235d5 100644
--- a/backend/categorisation/handler/handler.py
+++ b/backend/categorisation/handler/handler.py
@@ -28,7 +28,7 @@ def handler(event: Mapping[str, Any], context: Any) -> None:
             process_portfolio(
                 payload.portfolio_id,
                 payload.scenarios_to_consider,
-                payload.plan_priority_order,
+                payload.scenario_priority_order,
             )
 
         except Exception as e:
diff --git a/backend/categorisation/processor.py b/backend/categorisation/processor.py
index e017c069..fd0d9c89 100644
--- a/backend/categorisation/processor.py
+++ b/backend/categorisation/processor.py
@@ -4,7 +4,6 @@ from typing import Dict, List, Optional
 from backend.app.db.functions.recommendations_functions import (
     bulk_update_plans,
     get_default_plan_ids_for_property,
-    get_plans_by_ids,
     get_plans_by_portfolio_id,
     get_plans_by_scenario_ids,
     get_scenarios_by_portfolio_id,
@@ -21,7 +20,7 @@ logger = setup_logger()
 def process_portfolio(
     portfolio_id: int,
     scenarios_to_consider: Optional[List[int]] = None,
-    plan_priority_order: Optional[List[int]] = None,
+    scenario_priority_order: Optional[List[int]] = None,
 ) -> None:
     logger.info(f"Processing portfolio {portfolio_id}")
 
@@ -35,7 +34,7 @@ def process_portfolio(
             raise ValueError(f"No plans for property {property_id}")
 
         cheapest_plan = choose_cheapest_relevant_plan(
-            property_plans, plan_priority_order
+            property_plans, scenario_priority_order
         )
 
         # Unset existing default(s) in case they are outside the plans to consider
@@ -49,9 +48,9 @@ def process_portfolio(
 
 
 def choose_cheapest_relevant_plan(
-    plans: List[Plan], plan_priority_order: Optional[List[int]] = None
+    plans: List[Plan], scenario_priority_order: Optional[List[int]] = None
 ) -> Plan:
-    plan_priority_order = plan_priority_order or []
+    scenario_priority_order = scenario_priority_order or []
 
     eligible_plans: List[Plan] = [plan for plan in plans if plan.is_compliant] or plans
     if not eligible_plans:
@@ -80,7 +79,7 @@ def choose_cheapest_relevant_plan(
         if (plan.record.cost_of_works or float("inf")) == min_cost
     ]
 
-    for priority_plan_id in plan_priority_order:
+    for priority_plan_id in scenario_priority_order:
         for plan in cheapest_plans:
             if plan.id == priority_plan_id:
                 return plan
diff --git a/backend/categorisation/tests/test_prioritised_plan_selected.py b/backend/categorisation/tests/test_prioritised_plan_selected.py
index 5424dd5e..74eb8c69 100644
--- a/backend/categorisation/tests/test_prioritised_plan_selected.py
+++ b/backend/categorisation/tests/test_prioritised_plan_selected.py
@@ -39,7 +39,7 @@ def make_scenario(name: str, created_at: datetime, is_default: bool) -> Scenario
         multi_plan=False,
         is_default=is_default,
     )
-    return Scenario(record=record, id=1 if is_default else 2)
+    return Scenario(record=record, id=3 if is_default else 4)
 
 
 def make_plan(
@@ -54,17 +54,17 @@ def make_plan(
     )
 
 
-def test_prioritised_plan_selected(created_at_datetime: datetime) -> None:
+def test_prioritised_scenario_selected(created_at_datetime: datetime) -> None:
     # arrange
     epc_c_plan = make_plan(created_at_datetime, True, name="EPC C")
     minor_works_plan = make_plan(created_at_datetime, False, name="EPC C - Minor Works")
-    plan_priority_order: List[int] = [2, 1]
+    scenario_priority_order: List[int] = [4, 3]
     expected_default_plan_id = 2
 
     # act
     actual_default_plan = choose_cheapest_relevant_plan(
         plans=[epc_c_plan, minor_works_plan],
-        plan_priority_order=plan_priority_order,
+        scenario_priority_order=scenario_priority_order,
     )
 
     # assert
@@ -81,13 +81,13 @@ def test_cheapest_plan_returned_if_not_in_priority_list(
     minor_works_plan = make_plan(
         created_at_datetime, False, cost_of_works=100.0, name="EPC C - Minor Works"
     )
-    plan_priority_order: List[int] = [1, 3]
+    scenario_priority_order: List[int] = [3, 5]
     expected_default_plan_id = 2
 
     # act
     actual_default_plan = choose_cheapest_relevant_plan(
         plans=[epc_c_plan, minor_works_plan],
-        plan_priority_order=plan_priority_order,
+        scenario_priority_order=scenario_priority_order,
     )
 
     # assert