Transferring keys to capsules

Anyone else seen anything like this?
I was transferring keys from inventory to a quantum capsule. I select the first key and indicate I want to transfer it.
Selected key count = 1
key quantity selector indicates 1/1.
I move onto the next key (of which I have 3).
Selected key count = 1
key quantity selector indicates 1/1.
At this point the key quantity selector should read 0/3 but it doesn't.
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