diff --git a/src/engine/mobileAI/MobAI.java b/src/engine/mobileAI/MobAI.java
index e6e1cd08..bf002971 100644
--- a/src/engine/mobileAI/MobAI.java
+++ b/src/engine/mobileAI/MobAI.java
@@ -44,6 +44,11 @@ public class MobAI {
     //
     // CombatManager.class implements shared combat routines for all avatars.
 
+    // Pet aggro scan in checkForAggro stays off until it checks rune enemy lists,
+    // filters its targets and keeps pet targets (MBDATA/docs/plan-mask-pet.md steps 2-4).
+
+    private static final boolean PET_AGGRO_ENABLED = false;
+
     private static void attackTarget(Mob mob, AbstractWorldObject target) {
 
         try {
@@ -629,7 +634,7 @@ public class MobAI {
                 }
             }
 
-            if (aiAgent.getCombatTarget() == null) {
+            if (PET_AGGRO_ENABLED && aiAgent.getCombatTarget() == null) {
 
                 //look for pets to aggro if no players found to aggro
 
diff --git a/src/engine/objects/Mob.java b/src/engine/objects/Mob.java
index 946ece4d..a2511d5d 100644
--- a/src/engine/objects/Mob.java
+++ b/src/engine/objects/Mob.java
@@ -552,6 +552,12 @@ public class Mob extends AbstractIntelligenceAgent implements Delayed {
 
         petMinion.despawned = false;
         petMinion.runAfterLoad();
+
+        // Summoned pets carry MASK_PET. Necro pets keep their own NecroPet handling.
+
+        if (!petMinion.isNecroPet())
+            petMinion.setObjectTypeMask(petMinion.getObjectTypeMask() | MBServerStatics.MASK_PET);
+
         DbManager.addToCache(petMinion);
         petMinion.setLoc(petMinion.bindLoc);