Prevent a possible problem

diff --git a/Modules/Position.lua b/Modules/Position.lua
index 145e042..bd6437e 100644
--- a/Modules/Position.lua
+++ b/Modules/Position.lua
@@ -342,6 +342,7 @@ function mod:GameTooltip_SetDefaultAnchor(this, owner)
 end

 function mod:REGEN_DISABLED()
+	if not currentOwner then return end
 	updateFrame:SetScript("OnUpdate", nil)
 	self:GameTooltip_SetDefaultAnchor(GameTooltip, currentOwner)
 end