diff --git a/brewman/brewman/routers/calculate_prices.py b/brewman/brewman/routers/calculate_prices.py
index c6c51325..292557be 100644
--- a/brewman/brewman/routers/calculate_prices.py
+++ b/brewman/brewman/routers/calculate_prices.py
@@ -30,7 +30,7 @@ def calculate_prices(period_id: uuid.UUID, db: Session):
         ingredients = set(db.execute(select(distinct(RecipeItem.product_id))).scalars().all())
         issued_products = get_issue_prices(item, ingredients - recipes, db)
         left = ingredients - recipes - issued_products.keys()
-        purchased_products = get_issue_prices(item, left, db)
+        purchased_products = get_purchase_prices(item, left, db)
         left -= purchased_products.keys()
         rest = get_rest(left, db)
         prices = issued_products | purchased_products | rest