DRK - Living Dead Bug

ISP: Virgin
Type of Internet Connection: Wireless
Internet Connection Speed: 20Mbit/s
Date & Time: 6/30/2015 @ 17:19 PM GMT+1
Frequency: Always
Character Name: Ai Xy
Race: Miqo'te Female
World: Phoenix
Class/Level: Dark Knight 60
Party or Solo: Solo (Party to test)
NPC Name: None
Monster Name: Ravana
In-Game Time: Any

Description: Still dying even after being cured to 100% HP from benediction whilst in Walking Dead

Steps:
1) Activate Living Dead
2) Take lethal damage (Ravana's Prey attack for example)
3) Walking Dead will proc when HP reaches 0
4) Have a WHM top the DRK up to 100% hp with Benediction.
5) The DRK still dies with full HP once the timer of Living Dead has ran out.

Expected outcome:

DRK is supposed to live after being topped back to 100% HP.

Actual outcome:

DRK dies once Walking Dead runs out, even after being fully topped up.