diff --git a/src/lua_script.c b/src/lua_script.c
index 743360016..947ae5460 100644
--- a/src/lua_script.c
+++ b/src/lua_script.c
@@ -1109,6 +1109,7 @@ void LUA_InvalidatePlayer(player_t *player)
 	LUA_InvalidateUserdata(player->powers);
 	LUA_InvalidateUserdata(&player->loop);
 	LUA_InvalidateUserdata(&player->cmd);
+	LUA_InvalidateUserdata(&player->botvars);
 }
 
 enum