Complete my Album doesn't play the single download as a whole album

I had purchaser the single of the Payphone from iTunes and when the album was released I did a "Complete my Album" purchase of the same Album. iTunes won't play the single when palying the album. It is not shown as being in the album at all, even the track number is omited. How can I get that single to play in order when selecting the Album without creating a special playlist just for this album. I thought when you did a "Complee my album" it would do just that not omit it from the album and keep the single as a seperate track. Any Ideas or did I do it wrong?