diff --git a/examplemods/mobnpcspawner.js b/examplemods/mobnpcspawner.js
index 7b274e8..4d681dd 100644
--- a/examplemods/mobnpcspawner.js
+++ b/examplemods/mobnpcspawner.js
@@ -17,13 +17,13 @@
                 sheep.$setLocationAndAngles(senderPos.getX(), senderPos.getY(), senderPos.getZ(), senderPos.rotationYaw, senderPos.rotationPitch);
 
                 // Disable AI (no AI behavior)
-                sheep.$getDataWatcher().$updateObject(15, 1); // AI flag, 15 is the byte for AI, 1 means no AI
+                sheep.$setNoAI(1)
 
                 // Disable gravity
                 sheep.$noGravity = 1;
 
                 // Make sheep invincible
-                sheep.$setEntityInvulnerable(1);
+                sheep.$invulnerable = 1
 
                 // Add the sheep to the world
                 world.spawnEntityInWorld(sheep);