is clearing up the confusion around that

Back in June, the 39-year-old actor came across a article that said his former co-star is executive producing and narrating a spinoff about the parents of their characters Dean and Sam Winchester. Padalecki tweeted that this was the first he'd heard about the new show and that he was "" that he wasn't involved.

"Dude. Happy for you," he . "Wish I heard about this some way other than Twitter.

I'm excited to watch, but bummed that Sam Winchester had no involvement whatsoever."

Now, Padalecki is explaining his viral post and what went down between him and Ackles afterward.

"I hadn't heard of it, and then he and I chatted [the next morning]," he said in an interview with . "He just kind of explained: 'Man, it's not picked up yet.

It's not even written yet.' He knows and I know how much means to both of us, and it wasn't a secret he was trying to keep, necessarily. It was just something that he didn't feel really even existed yet.