Noise when locking

Hi all just a quick question when I lock the car with the button on the door handle it's makes a really loud noise has anyone had this problem
 
If you've had a door open and press it twice it will make a fairly loud clunk, it's difficult to say if it's abnormal. Got a phone with a camera?
 
Faulty deadlock, happened on mine. Brought a second hand lock from a breakers.
 
The problem is now fixed I didn't use the deadlock for a day and now it's fixed itself lol hope it stays this way