It won't cycle in floor or dash mode.
Most cars do in those two selections on the dial. All 7 of my Subarus over the years have. They figure if you need to send air to the windshield, dry air will defog or defrost it faster.
Personally, it bugs me, so I disable it. The method varies over the years. In earlier years, it was as simple as unplugging the lead to the switch that activates it. On my 2016, I had to pull the HVAC controls completely apart and gut a tiny microswitch on the circuit board.