Arrow-tips don't line up

[Krzmbrzl]

When drawing curved arrows (I experienced it with the 90 cw one) the arrow tip sometimes doesn't line up with the actual arrow itself. This causes the arrow tip not being connected in its center but a little further to one side with the baseline of the arrow.

This can be reproduced by drawing a 90° cw arrow pointing downwards and dragging the arrow's end around until the arrow tip is off.