diff --git a/packs/BP/scripts/classes/Builder/Builders.js b/packs/BP/scripts/classes/Builder/Builders.js
index 336471c..3d07c3d 100644
--- a/packs/BP/scripts/classes/Builder/Builders.js
+++ b/packs/BP/scripts/classes/Builder/Builders.js
@@ -35,6 +35,8 @@ world.beforeEvents.playerLeave.subscribe((event) => {
 });
 world.afterEvents.worldLoad.subscribe((event) => {
     for (const player of world.getAllPlayers()) {
+        if (!player)
+            continue;
         Builders.onJoin(player.id);
     }
 });
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