needle

As you can see the temp needle has fallen below where it should be. Is there an easy fix for this or will I have to purchase a new cluster with similar mileage? Many thanks

Hi guys, Another problem again lol, well ive had it since day one but just not realised it I assume. Its a problem I've had with my coolant and overheating of the car in still traffic on hot days. The needle on my dash starts off normal and slowly rises to normal temp as the car warms up, but...