[Samsung Galaxy Y GT-S5460] New messages are shown on bottom of inbox

I have Samsung Galaxy Young GT-S5460 and recently a problem came up, whenever i recieve a new message to my SIM card, either if it is from new number or from a number that i already have messages with, it goes down to the bottom of inbox instead of top. Usually when you get new message, you open inbox and at the top you see new message and number of new messages on the right, i have same thing it just goes to the bottom and it is very anoying to scroll down every time when i get a new message.