just my luck
US /dʒʌst maɪ lʌk/
UK /dʒʌst maɪ lʌk/

1.
used to say that something bad or unlucky has happened to you, as it often does
:
•
I finally got a day off, and just my luck, it rained all day.
•
I missed the bus by a minute. Just my luck!