diff --git a/backend/engine/engine.py b/backend/engine/engine.py
index 18b93ec7..50ed0772 100644
--- a/backend/engine/engine.py
+++ b/backend/engine/engine.py
@@ -1118,7 +1118,7 @@ async def model_engine(body: PlanTriggerRequest):
                     p=p,
                     input_measures=input_measures,
                     budget=body.budget,
-                    target_gain=gain - already_installed_sap,
+                    target_gain=gain,
                     enforce_heat_pump_insulation=True,
                     enforce_fabric_first=body.enforce_fabric_first,
                     already_installed_sap=already_installed_sap,  # To be passed to output
diff --git a/etl/customers/peabody/Nov 2025 Consulting Project/n_fixing_already_installed_bug.py b/etl/customers/peabody/Nov 2025 Consulting Project/n_fixing_already_installed_bug.py
index 5a3aad3f..4bd11a1b 100644
--- a/etl/customers/peabody/Nov 2025 Consulting Project/n_fixing_already_installed_bug.py	
+++ b/etl/customers/peabody/Nov 2025 Consulting Project/n_fixing_already_installed_bug.py	
@@ -11,14 +11,13 @@ from etl.customers.cambridge.surveys import current_epc
 with db_session() as session:
     # We need installed measures, where the measure type is ewi or iwi
     installed_measures = session.query(InstalledMeasure).filter(
-        InstalledMeasure.measure_type.in_(["external_wall_insulation", "internal_wall_insulation"])
+        InstalledMeasure.measure_type.in_(["cavity_wall_insulation"])
     ).all()
     # Get the uprns
     installed_uprns = [x.uprn for x in installed_measures]
 
 installed_uprns = list(set(installed_uprns))
 
-# This is 21425 properties.
 # We then create a portfolio of properties we need to re-run
 import pandas as pd
 
@@ -33,7 +32,7 @@ needing_retry = sal[sal["epc_os_uprn"].isin(installed_uprns)]
 # Store
 needing_retry.to_excel(
     "/Users/khalimconn-kowlessar/Documents/hestia/Customers/Peabody/Nov 2025 Consulting Project/Final "
-    "SAL/properties_needing_retry_20260115.xlsx",
+    "SAL/properties_needing_retry_20260115 - cavity wall insulation.xlsx",
     sheet_name="Standardised Asset List",
     index=False
 )