diff --git a/block_league/src/arena_lib/on_entering.lua b/block_league/src/arena_lib/on_entering.lua
index fe45045..c11bb82 100644
--- a/block_league/src/arena_lib/on_entering.lua
+++ b/block_league/src/arena_lib/on_entering.lua
@@ -102,11 +102,13 @@ function init_dmg_table(p_name, players, in_progress)
 
   -- se in corso, aggiungo nuovə giocante per chi era già dentro
   if in_progress then
-    for pl_name, pl_data in pairs(players) do
+    for _, pl_data in pairs(players) do
       pl_data.dmg_received[p_name] = {timestamp = 99999, dmg = 0}
 
-      for ent_name, _ in pairs(pl_data.entities) do
-        pl_data.dmg_received[pl_name .. "@" .. ent_name] = {timestamp = 99999, dmg = 0}
+      for _, ent_obj in pairs(pl_data.entities) do
+        if ent_obj:get_luaentity() then -- mi fido 0
+          ent_obj:get_luaentity()._dmg_received[p_name] = {timestamp = 99999, dmg = 0}
+        end
       end
     end
   end