Bug in porcupine form with Way Of The Gargoyle

[zlo]

When i shapeshift in porcupine without way of gargoyle
my resistance to phisical attacks 85%

You have the following resistances:
You are almost invulnerable to bashing (85%)
You are almost invulnerable to piercing (85%)
You are almost invulnerable to slashing (85%)

when it affected by feat must be 95, but it only 90.
Seems that is a bug. 


You have the following resistances:
You are almost invulnerable to bashing (90%)
You are almost invulnerable to piercing (90%)
You are almost invulnerable to slashing (90%)           


'Gargoyle skin' skill is active permanently,
   modifying resistance to acid by 5
   modifying resistance to lightning by 5
   modifying resistance to cold by 5
   modifying resistance to fire by 5
   modifying physical resistance by 10