diff --git a/backend/engine/engine.py b/backend/engine/engine.py
index eb933cc0..f9820204 100644
--- a/backend/engine/engine.py
+++ b/backend/engine/engine.py
@@ -730,7 +730,7 @@ async def model_engine(body: PlanTriggerRequest):
             epc_searcher.ordnance_survey_client.property_type = addr.property_type
             # For the moment, our OS API access is unavailable, so we skip and interpolate
 
-            epc_searcher.find_property(skip_os=True, api_data=epc_api_data, overwrite_sap05=True)
+            epc_searcher.find_property(skip_os=True, api_data=None, overwrite_sap05=True)
             epc_searcher.set_uprn_source(file_format=body.file_format)
 
             lookup_key = (