Was trying to hide upgradebuttons even if not yet created

diff --git a/FollowerPage.lua b/FollowerPage.lua
index f62466b..e4329e9 100644
--- a/FollowerPage.lua
+++ b/FollowerPage.lua
@@ -122,6 +122,7 @@ function module:ShowUpgradeButtons(force)
 	end
 	local gf=GMF.FollowerTab
 	if not self:GetBoolean("UPG") then
+		if not gf.upgradeButtons then return end
 		local b=gf.upgradeButtons
 		for i=1,#b	 do
 			b[i]:Hide()