Winter Access Timer Bug?

When buying access to the winter area, it says that we are supposed to get 4 hours in a winter area, or until the boss is defeated. I noticed that the timer will still count down when in non-winter areas (ie Humanian dungeons). It does stop counting down when in towns though. I feel it is a bit misleading to say we will get 4 hours when in fact we will get robbed of our time if we go anywhere other than the winter areas once our winter access is active. A fix for this would be greatly appreciated, especially since Platinum was used to purchase the access.