finishing - What could cause polyurethane to dry with excess gloss

I'm having trouble with polyurethane (Helmsman semi-gloss) drying much glossier than it should - like an extra-gloss instead of a semi-gloss. I'm using it on stained wood moulding, and when I did the

Clear Finishes for Wood

What's the Difference Between Polyurethane, Polycrylic, Varnish, Shellac and Lacquer?

Help! 7 coats of poly and still streaks! - Finishing - Wood Talk Online

A Better Way to Apply Spar Urethane? - The Wood Whisperer

How to apply polyurethane without bubbles

Minwax Fast-Drying Polyurethane Protective Wood Finish, 350 VOC, Warm Semi- Gloss, 1 Gallon

3 Ways to Polish Polyurethane - wikiHow

Different Types of Finishes for Hardwood Floors – From The Forest, LLC

How to Apply Polyurethane (DIY)

Polyurethane Dull & Shiny Finish?

Help! 7 coats of poly and still streaks! - Finishing - Wood Talk Online