diff --git a/pricing/pricing.py b/pricing/pricing.py
index 9a91344..5a08212 100644
--- a/pricing/pricing.py
+++ b/pricing/pricing.py
@@ -92,7 +92,7 @@ async def pricing_program_charging(sor, pricing_program_id, data):
 	if not data.get('biz_date'):
 		biz_date = await env.get_business_date(self.sor)
 		data['biz_date'] = biz_date
-	pp_items = await sor_get_program_items(pricing_program_id, data['biz_date'])
+	pp_items = await sor_get_program_items(sor, pricing_program_id, data['biz_date'])
 	charges = []
 	for item in pp_items:
 		charge = item.copy()