diff --git a/files/data/openmw_aux/core.lua b/files/data/openmw_aux/core.lua
index 66de635acc..77d486a129 100644
--- a/files/data/openmw_aux/core.lua
+++ b/files/data/openmw_aux/core.lua
@@ -7,9 +7,9 @@ local core = require('openmw.core')
 -- @usage local auxCore = require('openmw_aux.core')
 local aux_core = {}
 
-local SKILL = core.SKILL
+local SKILL = types.NPC.stats.skills
 
-local armorSkillString = {[SKILL.Heavyarmor] = "Heavy",[SKILL.Mediumarmor] = "Medium", [SKILL.Lightarmor] = "Light"}
+local armorSkillString = {[SKILL.heavyarmor] = "Heavy",[SKILL.mediumarmor] = "Medium", [SKILL.lightarmor] = "Light"}
 ---
 -- Checks if the provided armor is Heavy, Medium, or Light. Errors if invaid object supplied.
 -- @function [parent=#core] getArmorType
@@ -47,11 +47,11 @@ function aux_core.getArmorType(armor)
     local armorTypeWeight = math.floor(core.getGMST(armorGMSTs[armorType]))
 
     if weight <= armorTypeWeight * lightMultiplier then
-        return SKILL.Lightarmor
+        return SKILL.lightarmor
     elseif weight <= armorTypeWeight * medMultiplier then
-        return SKILL.Mediumarmor
+        return SKILL.mediumarmor
     else
-        return SKILL.Heavyarmor
+        return SKILL.heavyarmor
     end
 end