[2.0.28] Underground belt moved when using click drag

[DutchJer]

I was trying to move add an extra coal lane. when I dragged over the train tracks and existing plastic undergrounds, the underground of the first plastic belt was moved to the end, causing the removal of an underground belt in the wrong place.
you can see the gif below.

Placing belts

factorio_JIZAVFc3Hb.gif (49.76 MiB) Viewed 122 times