diff --git a/inventory-server/src/routes/vendorsAggregate.js b/inventory-server/src/routes/vendorsAggregate.js
index 7e9b11b..84e0544 100644
--- a/inventory-server/src/routes/vendorsAggregate.js
+++ b/inventory-server/src/routes/vendorsAggregate.js
@@ -107,10 +107,10 @@ router.get('/stats', async (req, res) => {
          // Get overall cost metrics from purchase orders
          const { rows: [overallCostMetrics] } = await pool.query(`
             SELECT 
-                ROUND((SUM(ordered * cost_price)::numeric / NULLIF(SUM(ordered), 0)), 2) as avg_unit_cost,
-                ROUND(SUM(ordered * cost_price)::numeric, 3) as total_spend
+                ROUND((SUM(ordered * po_cost_price)::numeric / NULLIF(SUM(ordered), 0)), 2) as avg_unit_cost,
+                ROUND(SUM(ordered * po_cost_price)::numeric, 3) as total_spend
             FROM purchase_orders
-            WHERE cost_price IS NOT NULL
+            WHERE po_cost_price IS NOT NULL
                 AND ordered > 0
                 AND vendor IS NOT NULL AND vendor != ''
          `);
@@ -261,10 +261,10 @@ router.get('/', async (req, res) => {
             LEFT JOIN (
                 SELECT 
                     vendor,
-                    ROUND((SUM(ordered * cost_price)::numeric / NULLIF(SUM(ordered), 0)), 2) as avg_unit_cost,
-                    ROUND(SUM(ordered * cost_price)::numeric, 3) as total_spend
+                    ROUND((SUM(ordered * po_cost_price)::numeric / NULLIF(SUM(ordered), 0)), 2) as avg_unit_cost,
+                    ROUND(SUM(ordered * po_cost_price)::numeric, 3) as total_spend
                 FROM purchase_orders
-                WHERE cost_price IS NOT NULL AND ordered > 0
+                WHERE po_cost_price IS NOT NULL AND ordered > 0
                 GROUP BY vendor
             ) po ON vm.vendor_name = po.vendor
             ${whereClause}