diff --git a/src/logic/scripting/lua/libs/libplayer.cpp b/src/logic/scripting/lua/libs/libplayer.cpp
index 9f634bddb..a978e5c22 100644
--- a/src/logic/scripting/lua/libs/libplayer.cpp
+++ b/src/logic/scripting/lua/libs/libplayer.cpp
@@ -14,6 +14,13 @@
 
 using namespace scripting;
 
+static Level& require_level() {
+    if (level == nullptr) {
+        throw std::runtime_error("world is not loaded");
+    }
+    return *level;
+}
+
 inline Player* get_player(lua::State* L, int idx) {
     if (!lua::isnumber(L, idx)) {
         if (engine->isHeadless()) {
@@ -22,7 +29,7 @@ inline Player* get_player(lua::State* L, int idx) {
             );
         }
     }
-    return level->players->get(lua::tointeger(L, idx));
+    return require_level().players->get(lua::tointeger(L, idx));
 }
 
 static int l_get_pos(lua::State* L) {
@@ -304,15 +311,18 @@ static int l_create(lua::State* L) {
     if (lua::gettop(L) >= 2) {
         playerId = lua::tointeger(L, 2);
     }
-    auto player = level->players->create(playerId);
+    auto& level = require_level();
+    auto player = level.players->create(playerId);
     player->setName(lua::require_string(L, 1));
     return lua::pushinteger(L, player->getId());
 }
 
 static int l_delete(lua::State* L) {
     auto id = lua::tointeger(L, 1);
-    level->players->suspend(id);
-    level->players->remove(id);
+
+    auto& level = require_level();
+    level.players->suspend(id);
+    level.players->remove(id);
     return 0;
 }
 
@@ -324,19 +334,21 @@ static int l_is_suspended(lua::State* L) {
 }
 
 static int l_set_suspended(lua::State* L) {
+    auto& level = require_level();
     if (lua::toboolean(L, 2)) {
-        level->players->suspend(lua::tointeger(L, 1));
+        level.players->suspend(lua::tointeger(L, 1));
     } else {
-        level->players->resume(lua::tointeger(L, 1));
+        level.players->resume(lua::tointeger(L, 1));
     }
     return 0;
 }
 
 static int l_get_all_in_radius(lua::State* L) {
+    auto& level = require_level();
     auto center = lua::tovec3(L, 1);
     auto radius = static_cast<float>(lua::tonumber(L, 2));
 
-    auto players = level->players->getAllInRadius(center, radius);
+    auto players = level.players->getAllInRadius(center, radius);
     lua::createtable(L, players.size(), 0);
     for (size_t i = 0; i < players.size(); i++) {
         lua::pushinteger(L, players[i]->getId());
@@ -346,7 +358,7 @@ static int l_get_all_in_radius(lua::State* L) {
 }
 
 static int l_get_all(lua::State* L) {
-    auto players = level->players->getAll();
+    auto players = require_level().players->getAll();
     lua::createtable(L, players.size(), 0);
     for (size_t i = 0; i < players.size(); i++) {
         lua::pushinteger(L, players[i]->getId());
@@ -356,8 +368,9 @@ static int l_get_all(lua::State* L) {
 }
 
 static int l_get_nearest(lua::State* L) {
+    auto& level = require_level();
     auto position = lua::tovec3(L, 1);
-    if (auto player = level->players->getNearest(position)) {
+    if (auto player = level.players->getNearest(position)) {
         lua::pushinteger(L, player->getId());
         return 1;
     }