Issue with Camera Movement

So during a match, I accidentally binded my ultimate to the space key. When I changed it back to "R", my camera movement got really sensitive. The Camera movespeed was fine. Just, when I unlocked the screen so the camera wasn't always fixed on me, the camera would shoot towards the direct my mouse was pointing at, when the pointer was only a couple cm from my character on the screen. I am used to the camera moving when I place my pointer near the edge of the screen, but this issue makes the tiniest deviation from my champion move the screen in one direction really fast. Is there any way I could fix this?