diff --git a/szutil_stealth/init.lua b/szutil_stealth/init.lua
index f940c18..d103a4c 100644
--- a/szutil_stealth/init.lua
+++ b/szutil_stealth/init.lua
@@ -23,8 +23,9 @@ local function nonzero(t)
 	for _, v in pairs(t) do if v ~= 0 then return true end end
 end
 local function updatevisible(player)
-	local pname = player:get_player_name()
 	local props = player:get_properties()
+	if not props then return end
+	local pname = player:get_player_name()
 	local atts = player:get_nametag_attributes()
 
 	local isvis = nonzero(props.visual_size)