When I have to do this, I make the increase be what the next stitch would be.
So depending on what the order is, I might knit and purl in the last stitch, or purl and knit in the last stitch. It doesn't look perfect, but it's only on the very edge. After the increases, the pattern is incorporated and looks good.
"Trust the pattern!"
Time flies like an arrow, but fruit flies like a banana.
Hop aboard while we follow the cloud-covered van of knitting harmony, man!! Woooo!! --Hedgehog
IngridKH on Ravelry