MP3 Used to play in WhatsApp, now Podcast Addict wants to play it

Because my front mic don't work, I have to create an MP3 from the back mic, and send it in a Whatsapp message. Sometimes I would click it to play it back myself. It played in Whatsapp just fine. Then I installed Podcast addict and now when I click on the MP3 in Whatsapp, it opens Podcast addict and wants to play there. I could not find where permissions got changed. I want to keep Podcast Addict, but I want an MP3 that is in Whatsapp to play in Whatsapp. Any ideas would be appreciated. Thanks