diff --git a/modules/@shopify/checkout-sheet-kit/src/components/AcceleratedCheckoutButtons.tsx b/modules/@shopify/checkout-sheet-kit/src/components/AcceleratedCheckoutButtons.tsx
index 782af21e..285595eb 100644
--- a/modules/@shopify/checkout-sheet-kit/src/components/AcceleratedCheckoutButtons.tsx
+++ b/modules/@shopify/checkout-sheet-kit/src/components/AcceleratedCheckoutButtons.tsx
@@ -178,7 +178,7 @@ export type AcceleratedCheckoutButtonsProps = (CartProps | VariantProps) &
  * />
  */
 
-const defaultStyles = {flex: 1};
+const defaultStyles = {flexGrow: 1};
 
 export const AcceleratedCheckoutButtons: React.FC<
   AcceleratedCheckoutButtonsProps
diff --git a/modules/@shopify/checkout-sheet-kit/tests/AcceleratedCheckoutButtons.test.tsx b/modules/@shopify/checkout-sheet-kit/tests/AcceleratedCheckoutButtons.test.tsx
index 35d2fa2e..54830007 100644
--- a/modules/@shopify/checkout-sheet-kit/tests/AcceleratedCheckoutButtons.test.tsx
+++ b/modules/@shopify/checkout-sheet-kit/tests/AcceleratedCheckoutButtons.test.tsx
@@ -300,7 +300,7 @@ describe('AcceleratedCheckoutButtons', () => {
       });
       nativeComponent = getByTestId('accelerated-checkout-buttons');
       expect(nativeComponent.props.style).toEqual({
-        flex: 1,
+        flexGrow: 1,
         height: 42,
       });
     });