Font address gets mixed up on certain pages

[Janvier]

The fonts work perfectly on all the pages, except on the product pages of one category in particular.

I get this address for the fonts, returning a 404:
https://site.com/category/fonts/poppins-v5-latin-300.ttf

Instead of:
https://site.com/fonts/poppins-v5-latin-300.ttf

What's causing this?

[Janvier]

I found the issue. 

I edited the name of the category, so all products automatically changed the default category to the subcategory which changed the URL from site.com/category/product to site.com/category/subcategory/product

A bit of a pain to have to go through every product and change the default category back to parent.