I finally got it. To do this, click to edit the button, then add your -static link-, confirm, then change to -dynamic link- and uncheck >>Open link in new tab<<, then go back to -static link- and test, it will work.

I'm having the same problem, but it's the opposite, I want the link to open in the same tab but it always opens in a new tab. I noticed that if I leave the "Open link in a new tab" option activated, the link doesn't actually open in a new tab, it see...