Carriage rider eddie's talismans don't proc

I have a carriage rider eddie with freezing talisman (x3) and shock talisman (x2), I mainly used his skill Wither for damage, and the effect from the talismans never proced (the effect from the skill-lowers mr, increases magic- did), but i forgot about it. A week ago I started using Scythe and noticed enemies being frozen/shocked for the first time in weeks. Afterwards I tested it with 50 perfect attack from both skills, and Wither didn't freeze/Shock a single time, while Scythe had a roughly ~35% proc rate (as it should be).

please fix this or at least include in known bug list