TFT First win of the day

I don't play TFT all that much (played a fair bit the first week it was out), but when I do, if I come top 4 it does not seem to complete the first win of the day mission, which it is apparently supposed to. Riot have confirmed it is supposed to in support messages, so I just wanted to check - have other people been getting first win completed by coming top 4 in TFT? Or has it only worked when you came 1st place? (I haven't got 1st place in a while, so not sure if it is just not working at all or not working for 2nd, 3rd and 4th place).
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