diff --git a/Omen.lua b/Omen.lua
index f2f7af6..71d7d0f 100644
--- a/Omen.lua
+++ b/Omen.lua
@@ -1230,6 +1230,7 @@ function Omen:UpdateBars()
 
 	-- TODO: Put a update throtle on this function
 
+	local myGUID = UnitGUID("player")
 	local dbBar = db.Bar
 	local mob, mobGUID, mobTargetGUID
 	topthreat = -1
@@ -1239,8 +1240,8 @@ function Omen:UpdateBars()
 		local classes = self.Options.args.ShowClasses.args.Classes.values
 		local key = next(classes)
 		for i = 1, 25 do
-			if i == 22 then
-				threatTable[UnitGUID("player")] = i*5000
+			if i == 22 and myGUID then -- Because I've got myGUID == nil before
+				threatTable[myGUID] = i*5000
 			else
 				threatTable[i] = i*5000
 				guidNameLookup[i] = classes[key]
@@ -1349,7 +1350,6 @@ function Omen:UpdateBars()
 	topthreat = threatTable[sortTable[1]]
 	if topthreat == 0 then topthreat = 1 end -- To avoid 0/0 division
 	local showSelfYet = true
-	local myGUID = UnitGUID("player")
 
 	if dbBar.AlwaysShowSelf then
 		-- Check if we're one of the bars to be displayed
@@ -1443,16 +1443,15 @@ function Omen:UpdateBars()
 	-- Threat warnings
 	if testMode then
 		threatTable = delTable(threatTable)
-	else
-		local pGUID = UnitGUID("player")
-		local pClass = guidClassLookup[pGUID]
-		local myThreatPercent = threatTable[pGUID] / tankThreat * 100
+	elseif myGUID then
+		local myClass = guidClassLookup[myGUID]
+		local myThreatPercent = threatTable[myGUID] / tankThreat * 100
 		local t = db.Warnings
 		if lastWarn.mobGUID == mobGUID and myThreatPercent >= t.Threshold and t.Threshold > lastWarn.threatpercent then
-			if not t.DisableWhileTanking or not (pClass == "WARRIOR" and GetBonusBarOffset() == 2 or
-			  pClass == "DRUID" and GetBonusBarOffset() == 3 or
-			  pClass == "PALADIN" and UnitAura("player", GetSpellInfo(25780)) or
-			  pClass == "DEATHKNIGHT" and GetShapeshiftFormInfo(GetShapeshiftForm()) == "Interface\\Icons\\Spell_Deathknight_FrostPresence") then
+			if not t.DisableWhileTanking or not (myClass == "WARRIOR" and GetBonusBarOffset() == 2 or
+			  myClass == "DRUID" and GetBonusBarOffset() == 3 or
+			  myClass == "PALADIN" and UnitAura("player", GetSpellInfo(25780)) or
+			  myClass == "DEATHKNIGHT" and GetShapeshiftFormInfo(GetShapeshiftForm()) == "Interface\\Icons\\Spell_Deathknight_FrostPresence") then
 				self:Warn(t.Sound, t.Flash, t.Shake, t.Message and L["Passed %s%% of %s's threat!"]:format(t.Threshold, guidNameLookup[tankGUID or mobTargetGUID or sortTable[1]]))
 			end
 		end