Serious Question: Doggystyle position?- Mature people please?

Hi my name is Samara and im 20 years old, I recently started being ually active . . My boyfriend has more experience than me, So hes teaching me all about the positions..Just yesterday we tried the doggystyle position.. but not to just normal. and when we were doing it doggystyle for some reason Everytime it went in and out It would sound like if I was farting... ugghhh It was so embering, I mean I wasnt farting, but thats what It sounded like, and it wouldnt stop...they were loud too...Is that prettynormal or is it something Im doing wrong???? Please help ladies...or mature men...