Search results with <em> tags

Hi,

Instantsearch is adding tag in some of my fields.

Lets say the correct search result is this “/image/image1.jpg”

Instantsearch is outpupt is
"/image/i<em>ma<em>ge1.jpg"

This only happens in some results.
Any clue how to fix this?
It don’t happen on algolia site built in search