re-potting a phalaenopsis hybrid?

[Mastiff]

Last november my best friend gives me as a present for my new home a white hybrid of phalaenopsis, which is still growing well. But I have a doubt about it, because it is placed in a clay pot (very nice looking) which has no hole to let water flow away. I have been very carefull when watering to avid rotting problems and since now everything has gone fine. Do you think I should re-pot it as soon as possible or I could wait until next spring? Leaves and roots are still good looking.