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# My “sticky” add-to-cart button always add the first offer to the cart!

Are you using a "sticky" add-to-cart button and it only adds the first offer to the cart?

Most likely it's because you don't have a variant selector on your page.

Here is how to add the variant selector

1. Go to your theme to personalize it

![](https://storage.crisp.chat/users/helpdesk/website/59d08aea42fadc00/onmedia-themes-shopify_1nbjskn.png)

2. Go to the product page from your theme's editor and if the variant selector doesn't exist, just add it by clicking on "Add block", dd the variant selector and save

![](https://storage.crisp.chat/users/helpdesk/website/59d08aea42fadc00/onmedia-customize-dawn-shopify_s72ca3.png)