Placing two vines in a corner replaces the first vine

Summary:
Vines are overlapping each other

What I expected to happen:
Unable to place the new vines

What happened instead:
First vine breaks, new vines placed normally

Steps to reproduce:
1. Put 2x jungle logs in a corner
2. Put vines on one side
3. Put vines on the other side
4. Observe the first vines get destroyed, the second placed normally

Phone type: Cyrus Apel