What’s going on here?

Hey guys! So I tested about 2 days ago with a early detection test and got a faint positive (or so I thought) 🤷🏾‍♀️. This morning is me and my wife’s anniversary so I took a digital to surprise her and it was negative. I am so scared and confused. Maybe it was a chemical? Anyone else have this problem but went on to have a healthy little one? My beta is Monday!