diff --git a/App/app/(portal)/payments/actions.ts b/App/app/(portal)/payments/actions.ts
index 7b3d513..4dc4219 100644
--- a/App/app/(portal)/payments/actions.ts
+++ b/App/app/(portal)/payments/actions.ts
@@ -31,18 +31,20 @@ async function syncProductCatalog(
   for (const li of lineItems) {
     const unitPrice = typeof li.unitPrice === "number" ? li.unitPrice : li.unitPrice.toNumber();
     let productId = li.productId;
+    let priceChanged = false;
 
     if (!productId) {
       // Try to find an existing product by name (case-insensitive)
       const existing = await db.product.findFirst({
         where: { name: { equals: li.name, mode: "insensitive" }, isActive: true },
-        select: { id: true },
+        select: { id: true, lastPrice: true },
       });
 
       if (existing) {
         productId = existing.id;
+        priceChanged = Number(existing.lastPrice ?? 0) !== unitPrice;
       } else {
-        // Create a new product
+        // Create a new product — first-time registration, not a price update
         const code = nameToCode(li.name);
         try {
           const created = await db.product.create({
@@ -65,6 +67,12 @@ async function syncProductCatalog(
 
       // Link the line item to the product for future reference
       await db.pOLineItem.update({ where: { id: li.id }, data: { productId } });
+    } else {
+      const current = await db.product.findUnique({
+        where: { id: productId },
+        select: { lastPrice: true },
+      });
+      priceChanged = !current || Number(current.lastPrice ?? 0) !== unitPrice;
     }
 
     // Always update lastPrice / lastVendorId on the product
@@ -82,7 +90,7 @@ async function syncProductCatalog(
       });
     }
 
-    updatedProductIds.push(productId);
+    if (priceChanged) updatedProductIds.push(productId);
   }
 
   if (updatedProductIds.length > 0) {