Cancel magic can be resisted by yourself?

[azxten]

I was attempting to dispell a DoT from myself today and noticed that Nullify Magic was resisted three times when I tried to cast on myself. This is surely a bug, right?

[Nirgon]

Annul on first page of my wizard's classic spell book

Cancel magic and nullify nowhere to be seen

[Handull]

afaik Cancel Magic should be unresistable, the other two can be resisted.