diff --git a/game/modules/tome/data/timed_effects/other.lua b/game/modules/tome/data/timed_effects/other.lua
index 0e53d746662d22ef869422160ac81fb208c95b3d..097d567ca996e9db2829741878a6dacadc686d96 100644
--- a/game/modules/tome/data/timed_effects/other.lua
+++ b/game/modules/tome/data/timed_effects/other.lua
@@ -2073,7 +2073,7 @@ newEffect{
 	activate = function(self, eff)
 		self:effectTemporaryValue(eff, "resists", {[DamageType.BLIGHT]=-10})
 		self:effectTemporaryValue(eff, "inc_damage", {[DamageType.BLIGHT]=10})
-		self:effectTemporaryValue(eff, "stone_immune", -0.2)
+		self:effectTemporaryValue(eff, "disease_immune", -0.2)
 		self:effectTemporaryValue(eff, "healing_factor", -0.2)
 	end,
 	deactivate = function(self, eff)