diff --git a/Categories/Auras.lua b/Categories/Auras.lua
index 2bf00cd..885b4d2 100644
--- a/Categories/Auras.lua
+++ b/Categories/Auras.lua
@@ -1,5 +1,6 @@
 local MAJOR_VERSION = "LibDogTag-Unit-3.0"
 local MINOR_VERSION = tonumber(("$Revision$"):match("%d+")) or 0
+local WoTLK = select(4,GetBuildInfo()) >= 30000
 
 if MINOR_VERSION > _G.DogTag_Unit_MINOR_VERSION then
 	_G.DogTag_Unit_MINOR_VERSION = MINOR_VERSION
@@ -326,7 +327,13 @@ DogTag:AddTag("Unit", "IsShadowform", {
 })
 
 local STEALTH = GetSpellInfo(1784)
-local SHADOWFORM = GetSpellInfo(20580)
+local SHADOWFORM
+if WoTLK then
+	SHADOWFORM = GetSpellInfo(58984)
+else
+
+	SHADOWFORM = GetSpellInfo(20580)
+end
 local PROWL = GetSpellInfo(5215)
 DogTag:AddTag("Unit", "IsStealthed", {
 	alias = ("HasAura(aura=%q, unit=unit) or HasAura(aura=%q, unit=unit) or HasAura(aura=%q, unit=unit)"):format(STEALTH, SHADOWFORM, PROWL),
@@ -470,4 +477,4 @@ DogTag:AddTag("Unit", "HasDiseaseDebuff", {
 	category = L["Auras"]
 })
 
-end
\ No newline at end of file
+end