Help me figure this out

[ridast91]

Hey guys, long time lurker first time poster :-)

I've been growing my hair out for about 6 months now and have had the top trimmed half a centimer or so a few times but my hair length is about 5-6 cm's. I'm aiming for the modern slick back with an undercut. My problem is that I have one particular spot where i normally, when my hair is shorter, have a hair whorl. I think that because of this whenever i slick my hair backwards it creates this curve that goes like a rollercoaster (no idea how to explain it). I'll add a picture to make it easier to see.

Is there anything I can do about this cuz it just looks weird.

Thanks to whoever helps me out!

(PS waiting for a mod to kindly allow my pictures to get posted, the link is: http:// imgur.com/a/W7WHi )