Some of the tiles from tile palette are flipped (drives me crazy)

Everything was fine and suddenly:

  1. I choose tile
  2. head my mouse into scene view and

No matter how many tiles I choose - they are always flipped. Shift + [ solves the issue but I need to press it every time I choose a new tile. This drives me crazy.

Wow, for some reason all of my rooms had X Scale set to negative 1. XD