Hextech Keys number not going down after opening chests

Not sure if its only a visual bug or actually an ingame bug, but the number of my keys don't go down after I open a new chest. Can anyone else test that? Edit: It just happens so with the promo chests and keys. Even if you buy the new promo bundle, only the overall number of chests go down. It's like there is no difference between promo keys and normal keys.
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