Has anyone else’s baby suddenly started screaming during nappy changes away from home?

This is now the fifth time in a row. My son is 5 months old (this started around 4 months) and whenever we have to change his nappy on a public changing station, he cries absolutely hysterically. Not just fussing but full screaming at the top of his lungs.

It’s happened at the airport, restaurants, and the doctor’s office. I even brought the same fluffy changing mat covers that we use at home to make it feel familiar, but it made no difference.

At home, he’s completely fine. He’s playful, kicking, smiling, and generally don’t care nappy changes. He’s only ever changed by me or my husband, and he’s always supervised. I’d say I do about 90% of his nappy changes, usually in our bedroom.

The only common factor seems to be public changing stations. As soon as he’s laid down on one, it’s like we’ve committed a terrible crime against him!

Has anyone experienced this? Is it a sensory thing, stranger anxiety, disliking the hard/cold surface, lights, or something else? I’d love to know if this is a phase or if anyone found a way to make it easier.