diff --git a/src/adv/AdvBattle.lua b/src/adv/AdvBattle.lua
index 5b01fb9..44df370 100644
--- a/src/adv/AdvBattle.lua
+++ b/src/adv/AdvBattle.lua
@@ -61,7 +61,7 @@ end
 
 function Battle:initPlayer()
 	local advTeam = self.adv.owner:getProperty("advTeam")
-	if not next(advTeam.heros) then return end
+	if not advTeam.heros or not next(advTeam.heros) then return end
 	local leaderPassive = {}
 	local player = advTeam.player
 	if not player then
--
libgit2 0.21.2