if InitialSetupDone == false then
        -- Without this, the default power bar will display Mana instead of Maelstrom in Ghost Wolf
        oldUnitPower = UnitPower
        UnitPower = (function(unitId, powerType, luaOrigin)
            if luaOrigin and luaOrigin == "power.lua" then
                local currentSpec = GetSpecialization()
                if currentSpec ~= nil then
                    local specId = GetSpecializationInfo(currentSpec)
                    if specId == 262 or specId == 263 then -- Elemental or Enhancement
                        return oldUnitPower(unitId, SPELL_POWER_MAELSTROM)
                    end
                end
            end
            return oldUnitPower(unitId, powerType)
        end)
        oldUnitPowerMax = UnitPowerMax
        UnitPowerMax = (function(unitId, powerType, luaOrigin)
            if luaOrigin and luaOrigin == "power.lua" then
                local currentSpec = GetSpecialization()
                if currentSpec ~= nil then
                    local specId = GetSpecializationInfo(currentSpec)
                    if specId == 262 or specId == 263 then -- Elemental or Enhancement
                        return oldUnitPowerMax(unitId, SPELL_POWER_MAELSTROM)
                    end
                end
            end
            return oldUnitPowerMax(unitId, powerType)
        end)
        -- Without this, using Ghost Wolf will disable the alternate power bar
        oldUnitPowerType = UnitPowerType
        UnitPowerType = (function(...)
            local currentSpec = GetSpecialization()
            if currentSpec ~= nil then
                local specId = GetSpecializationInfo(currentSpec)
                if specId == 262 or specId == 263 then -- Elemental or Enhancement
                    return SPELL_POWER_MAELSTROM, "MAELSTROM"
                end
            end
            return oldUnitPowerType(...)
        end)
        InitialSetupDone = true
    end