diff --git a/src/engine/mobileAI/MobAI.java b/src/engine/mobileAI/MobAI.java
index fa9ee7c0..6b1a7291 100644
--- a/src/engine/mobileAI/MobAI.java
+++ b/src/engine/mobileAI/MobAI.java
@@ -110,7 +110,9 @@ public class MobAI {
             if (mob.behaviourType.callsForHelp)
                 mobCallForHelp(mob);
 
-            if (!MovementUtilities.inRangeDropAggro(mob, target)) {
+            // siege engines drop targets on their own attack range in determineAction
+
+            if (!mob.isSiege() && !MovementUtilities.inRangeDropAggro(mob, target)) {
                 mob.setCombatTarget(null);
                 return;
             }
@@ -506,7 +508,16 @@ public class MobAI {
             boolean bypassLoadedPlayerCheck = false;
             if (mob.isPlayerGuard() || mob.isSiege()) {
                 bypassLoadedPlayerCheck = true;
-                if (mob.combatTarget != null && mob.combatTarget.getObjectType().equals(mbEnums.GameObjectType.PlayerCharacter))
+
+                if (mob.isSiege()) {
+
+                    // siege engines hold a character target until it dies or leaves their attack range
+
+                    if (mob.combatTarget != null && AbstractCharacter.IsAbstractCharacter(mob.combatTarget))
+                        if (mob.combatTarget.loc.distanceSquared(mob.loc) > mob.getRange() * mob.getRange())
+                            mob.setCombatTarget(null);
+
+                } else if (mob.combatTarget != null && mob.combatTarget.getObjectType().equals(mbEnums.GameObjectType.PlayerCharacter))
                     if (mob.combatTarget.loc.distanceSquared(mob.loc) > 10000)
                         mob.setCombatTarget(null);
             }
@@ -532,7 +543,7 @@ public class MobAI {
 
                     PlayerCharacter target = (PlayerCharacter) mob.getCombatTarget();
 
-                    if (!mob.playerAgroMap.containsKey(target.getObjectUUID())) {
+                    if (!mob.isSiege() && !mob.playerAgroMap.containsKey(target.getObjectUUID())) {
                         mob.setCombatTarget(null);
                         return;
                     }
@@ -749,7 +760,7 @@ public class MobAI {
             if (mob.getCombatTarget() == null)
                 return;
 
-            if (mob.getCombatTarget().getObjectType().equals(mbEnums.GameObjectType.PlayerCharacter) && !MovementUtilities.inRangeDropAggro(mob, (PlayerCharacter) mob.getCombatTarget()) && !mob.agentType.equals(mbEnums.AIAgentType.PET)) {
+            if (mob.getCombatTarget().getObjectType().equals(mbEnums.GameObjectType.PlayerCharacter) && !MovementUtilities.inRangeDropAggro(mob, (PlayerCharacter) mob.getCombatTarget()) && !mob.agentType.equals(mbEnums.AIAgentType.PET) && !mob.isSiege()) {
 
                 mob.setCombatTarget(null);
                 return;