Google Maps on iPhone wont update map orientation as I cycle

Goole Maps on my iPhone have has stopped changing the orientation of the map in cycling mode.

The first image is a screengrab of Apple's maps. You can see the arrow is the same direction as the direction im going.

The second image is a screengrab of Google Maps. I cant get the map to update as I make turns so that the arrow is the same direction as me. Im talking about how car GPSs always work.