diff --git a/src/templates/json/JSONTemplate.js b/src/templates/json/JSONTemplate.js
index 139bbba..9247a5a 100644
--- a/src/templates/json/JSONTemplate.js
+++ b/src/templates/json/JSONTemplate.js
@@ -56,7 +56,7 @@ export class JSONTemplate {
     if (variant) {
       const offerVariantURLTemplate = matchedPathConfig?.offerVariantURLTemplate;
       if (!offerVariantURLTemplate) {
-        return `${productUrl}/?optionsUIDs=${encodeURIComponent(variant.selections.join(','))}`;
+        return `${productUrl}?optionsUIDs=${encodeURIComponent(variant.selections.join(','))}`;
       }
 
       const variantPath = offerVariantURLTemplate
diff --git a/src/templates/json/overrides/wilson-ecommerce--wilson.js b/src/templates/json/overrides/wilson-ecommerce--wilson.js
index 7ee397f..a6b7530 100644
--- a/src/templates/json/overrides/wilson-ecommerce--wilson.js
+++ b/src/templates/json/overrides/wilson-ecommerce--wilson.js
@@ -29,7 +29,8 @@ export default class extends JSONTemplate {
    * @param {Variant} [variant]
    */
   constructMPN(variant) {
-    return variant ? variant.sku : this.product.sku;
+    // only include mpn on product-level
+    return variant ? undefined : this.product.sku;
   }
 
   renderOffers() {
diff --git a/test/fixtures/post-deploy/bella-tank.html b/test/fixtures/post-deploy/bella-tank.html
index 28be5c2..4912211 100644
--- a/test/fixtures/post-deploy/bella-tank.html
+++ b/test/fixtures/post-deploy/bella-tank.html
@@ -46,7 +46,7 @@
         {
           "@type": "Offer",
           "sku": "WT01-L-Black",
-          "url": "https://example.test/products/bella-tank/wt01/?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xNzI%3D%2CY29uZmlndXJhYmxlLzU1Ni81MzI%3D",
+          "url": "https://example.test/products/bella-tank/wt01?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xNzI%3D%2CY29uZmlndXJhYmxlLzU1Ni81MzI%3D",
           "image": "https://www.aemshop.net/media/catalog/product/w/t/wt01-black_main_1.jpg",
           "availability": "InStock",
           "price": 29,
@@ -55,7 +55,7 @@
         {
           "@type": "Offer",
           "sku": "WT01-L-Blue",
-          "url": "https://example.test/products/bella-tank/wt01/?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xNzU%3D%2CY29uZmlndXJhYmxlLzU1Ni81MzI%3D",
+          "url": "https://example.test/products/bella-tank/wt01?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xNzU%3D%2CY29uZmlndXJhYmxlLzU1Ni81MzI%3D",
           "image": "https://www.aemshop.net/media/catalog/product/w/t/wt01-blue_main_1.jpg",
           "availability": "InStock",
           "price": 29,
@@ -64,7 +64,7 @@
         {
           "@type": "Offer",
           "sku": "WT01-L-Orange",
-          "url": "https://example.test/products/bella-tank/wt01/?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xOTM%3D%2CY29uZmlndXJhYmxlLzU1Ni81MzI%3D",
+          "url": "https://example.test/products/bella-tank/wt01?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xOTM%3D%2CY29uZmlndXJhYmxlLzU1Ni81MzI%3D",
           "image": "https://www.aemshop.net/media/catalog/product/w/t/wt01-orange_main_1.jpg",
           "availability": "InStock",
           "price": 29,
@@ -73,7 +73,7 @@
         {
           "@type": "Offer",
           "sku": "WT01-M-Black",
-          "url": "https://example.test/products/bella-tank/wt01/?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xNzI%3D%2CY29uZmlndXJhYmxlLzU1Ni81Mjk%3D",
+          "url": "https://example.test/products/bella-tank/wt01?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xNzI%3D%2CY29uZmlndXJhYmxlLzU1Ni81Mjk%3D",
           "image": "https://www.aemshop.net/media/catalog/product/w/t/wt01-black_main_1.jpg",
           "availability": "InStock",
           "price": 29,
@@ -82,7 +82,7 @@
         {
           "@type": "Offer",
           "sku": "WT01-M-Blue",
-          "url": "https://example.test/products/bella-tank/wt01/?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xNzU%3D%2CY29uZmlndXJhYmxlLzU1Ni81Mjk%3D",
+          "url": "https://example.test/products/bella-tank/wt01?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xNzU%3D%2CY29uZmlndXJhYmxlLzU1Ni81Mjk%3D",
           "image": "https://www.aemshop.net/media/catalog/product/w/t/wt01-blue_main_1.jpg",
           "availability": "InStock",
           "price": 29,
@@ -91,7 +91,7 @@
         {
           "@type": "Offer",
           "sku": "WT01-M-Orange",
-          "url": "https://example.test/products/bella-tank/wt01/?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xOTM%3D%2CY29uZmlndXJhYmxlLzU1Ni81Mjk%3D",
+          "url": "https://example.test/products/bella-tank/wt01?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xOTM%3D%2CY29uZmlndXJhYmxlLzU1Ni81Mjk%3D",
           "image": "https://www.aemshop.net/media/catalog/product/w/t/wt01-orange_main_1.jpg",
           "availability": "InStock",
           "price": 29,
@@ -100,7 +100,7 @@
         {
           "@type": "Offer",
           "sku": "WT01-S-Black",
-          "url": "https://example.test/products/bella-tank/wt01/?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xNzI%3D%2CY29uZmlndXJhYmxlLzU1Ni81MjY%3D",
+          "url": "https://example.test/products/bella-tank/wt01?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xNzI%3D%2CY29uZmlndXJhYmxlLzU1Ni81MjY%3D",
           "image": "https://www.aemshop.net/media/catalog/product/w/t/wt01-black_main_1.jpg",
           "availability": "InStock",
           "price": 29,
@@ -109,7 +109,7 @@
         {
           "@type": "Offer",
           "sku": "WT01-S-Blue",
-          "url": "https://example.test/products/bella-tank/wt01/?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xNzU%3D%2CY29uZmlndXJhYmxlLzU1Ni81MjY%3D",
+          "url": "https://example.test/products/bella-tank/wt01?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xNzU%3D%2CY29uZmlndXJhYmxlLzU1Ni81MjY%3D",
           "image": "https://www.aemshop.net/media/catalog/product/w/t/wt01-blue_main_1.jpg",
           "availability": "InStock",
           "price": 29,
@@ -118,7 +118,7 @@
         {
           "@type": "Offer",
           "sku": "WT01-S-Orange",
-          "url": "https://example.test/products/bella-tank/wt01/?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xOTM%3D%2CY29uZmlndXJhYmxlLzU1Ni81MjY%3D",
+          "url": "https://example.test/products/bella-tank/wt01?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xOTM%3D%2CY29uZmlndXJhYmxlLzU1Ni81MjY%3D",
           "image": "https://www.aemshop.net/media/catalog/product/w/t/wt01-orange_main_1.jpg",
           "availability": "InStock",
           "price": 29,
@@ -127,7 +127,7 @@
         {
           "@type": "Offer",
           "sku": "WT01-XL-Black",
-          "url": "https://example.test/products/bella-tank/wt01/?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xNzI%3D%2CY29uZmlndXJhYmxlLzU1Ni81MzU%3D",
+          "url": "https://example.test/products/bella-tank/wt01?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xNzI%3D%2CY29uZmlndXJhYmxlLzU1Ni81MzU%3D",
           "image": "https://www.aemshop.net/media/catalog/product/w/t/wt01-black_main_1.jpg",
           "availability": "InStock",
           "price": 29,
@@ -136,7 +136,7 @@
         {
           "@type": "Offer",
           "sku": "WT01-XL-Blue",
-          "url": "https://example.test/products/bella-tank/wt01/?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xNzU%3D%2CY29uZmlndXJhYmxlLzU1Ni81MzU%3D",
+          "url": "https://example.test/products/bella-tank/wt01?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xNzU%3D%2CY29uZmlndXJhYmxlLzU1Ni81MzU%3D",
           "image": "https://www.aemshop.net/media/catalog/product/w/t/wt01-blue_main_1.jpg",
           "availability": "InStock",
           "price": 29,
@@ -145,7 +145,7 @@
         {
           "@type": "Offer",
           "sku": "WT01-XL-Orange",
-          "url": "https://example.test/products/bella-tank/wt01/?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xOTM%3D%2CY29uZmlndXJhYmxlLzU1Ni81MzU%3D",
+          "url": "https://example.test/products/bella-tank/wt01?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xOTM%3D%2CY29uZmlndXJhYmxlLzU1Ni81MzU%3D",
           "image": "https://www.aemshop.net/media/catalog/product/w/t/wt01-orange_main_1.jpg",
           "availability": "InStock",
           "price": 29,
@@ -154,7 +154,7 @@
         {
           "@type": "Offer",
           "sku": "WT01-XS-Black",
-          "url": "https://example.test/products/bella-tank/wt01/?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xNzI%3D%2CY29uZmlndXJhYmxlLzU1Ni81MjM%3D",
+          "url": "https://example.test/products/bella-tank/wt01?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xNzI%3D%2CY29uZmlndXJhYmxlLzU1Ni81MjM%3D",
           "image": "https://www.aemshop.net/media/catalog/product/w/t/wt01-black_main_1.jpg",
           "availability": "InStock",
           "price": 29,
@@ -163,7 +163,7 @@
         {
           "@type": "Offer",
           "sku": "WT01-XS-Blue",
-          "url": "https://example.test/products/bella-tank/wt01/?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xNzU%3D%2CY29uZmlndXJhYmxlLzU1Ni81MjM%3D",
+          "url": "https://example.test/products/bella-tank/wt01?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xNzU%3D%2CY29uZmlndXJhYmxlLzU1Ni81MjM%3D",
           "image": "https://www.aemshop.net/media/catalog/product/w/t/wt01-blue_main_1.jpg",
           "availability": "InStock",
           "price": 29,
@@ -172,7 +172,7 @@
         {
           "@type": "Offer",
           "sku": "WT01-XS-Orange",
-          "url": "https://example.test/products/bella-tank/wt01/?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xOTM%3D%2CY29uZmlndXJhYmxlLzU1Ni81MjM%3D",
+          "url": "https://example.test/products/bella-tank/wt01?optionsUIDs=Y29uZmlndXJhYmxlLzI3Ny8xOTM%3D%2CY29uZmlndXJhYmxlLzU1Ni81MjM%3D",
           "image": "https://www.aemshop.net/media/catalog/product/w/t/wt01-orange_main_1.jpg",
           "availability": "InStock",
           "price": 29,
diff --git a/test/templates/json/JSONTemplate.test.js b/test/templates/json/JSONTemplate.test.js
index 5f0c877..7f4a743 100644
--- a/test/templates/json/JSONTemplate.test.js
+++ b/test/templates/json/JSONTemplate.test.js
@@ -71,7 +71,7 @@ describe('JSONTemplate', () => {
 
       // @ts-ignore
       const url = template.constructProductURL(variant1);
-      const expectedUrl = 'https://www.example.com/products/utopia-small-pendant/kw5531/?optionsUIDs=Y29uZmlndXJhYmxlLzE2NTEvODI3MQ%3D%3D';
+      const expectedUrl = 'https://www.example.com/products/utopia-small-pendant/kw5531?optionsUIDs=Y29uZmlndXJhYmxlLzE2NTEvODI3MQ%3D%3D';
       assert.strictEqual(url, expectedUrl, 'Variant URL without offerVariantURLTemplate does not match expected URL');
     });
 
@@ -97,7 +97,7 @@ describe('JSONTemplate', () => {
 
       // @ts-ignore
       const url = template.constructProductURL(variantWithSpecialSelections);
-      const expectedUrl = 'https://www.example.com/products/summer-sun/kw%2055%2F31/?optionsUIDs=Y29uZmlndXJhYmxlLzE2NTEvODI3MQ%3D%3D%2CY29uZmlndXJhYmxlLzI0NjEvMzYzNDE%3D';
+      const expectedUrl = 'https://www.example.com/products/summer-sun/kw%2055%2F31?optionsUIDs=Y29uZmlndXJhYmxlLzE2NTEvODI3MQ%3D%3D%2CY29uZmlndXJhYmxlLzI0NjEvMzYzNDE%3D';
       assert.strictEqual(url, expectedUrl, 'Variant URL with special characters does not match expected URL');
     });
 
@@ -114,7 +114,7 @@ describe('JSONTemplate', () => {
       }), product1, [variantEmptySelections]);
       // @ts-ignore
       const url = template.constructProductURL(variantEmptySelections);
-      const expectedUrl = 'https://www.example.com/products/utopia-small-pendant/kw5531/?optionsUIDs=';
+      const expectedUrl = 'https://www.example.com/products/utopia-small-pendant/kw5531?optionsUIDs=';
       assert.strictEqual(url, expectedUrl, 'URL with empty variant selections does not match expected URL');
     });