diff --git a/blocks/cards/cards.js b/blocks/cards/cards.js
index 084c4e4f1b..99629fc122 100644
--- a/blocks/cards/cards.js
+++ b/blocks/cards/cards.js
@@ -14,7 +14,7 @@ export default function decorate(block) {
     });
     ul.append(li);
   });
-  ul.querySelectorAll('img').forEach((img) => {
+  ul.querySelectorAll('picture > img').forEach((img) => {
     const optimizedPic = createOptimizedPicture(img.src, img.alt, false, [{ width: '750' }]);
     moveInstrumentation(img, optimizedPic.querySelector('img'));
     img.closest('picture').replaceWith(optimizedPic);