diff --git a/src/components/CardRow/CardRow.jsx b/src/components/CardRow/CardRow.jsx
index b19e7f3..096bc74 100644
--- a/src/components/CardRow/CardRow.jsx
+++ b/src/components/CardRow/CardRow.jsx
@@ -8,9 +8,10 @@ function CardRow({ card }) {
 
   const toggleExpand = () => setExpandedCardId(isExpanded ? null : card.id);
 
-  // Calculate total owned across all printings
+  // ✅ Calculate total owned across all printings using combined key
   const totalOwned = card.printings?.reduce((sum, p) => {
-    const owned = ownedAmounts[card.id]?.[p.set_id] ?? p.amount_owned ?? 0;
+    const key = `${p.set_id}-${p.rarity_id}`;
+    const owned = ownedAmounts[card.id]?.[key] ?? p.amount_owned ?? 0;
     return sum + owned;
   }, 0) ?? 0;