Round price problem

[ludoynd]

Hello,

 

I have a weird problem on my shop when i put a price with or without taxes when it begin after the coma/point with a 0 like 20.05 the 0 disappear and the price look like this 205 €

 

i check the class Tools play with it but i can't have the good price.

 

if anyone have a solution i need it

 

This is a prestashop 1.5.4.0 (i can't upgrade the shop multiple custom module etc...)

 

Thanks !