diff --git a/zone/mob.cpp b/zone/mob.cpp
index 322bc7658..150469da4 100644
--- a/zone/mob.cpp
+++ b/zone/mob.cpp
@@ -115,7 +115,8 @@ Mob::Mob(const char* in_name,
 		fix_z_timer(300),
 		fix_z_timer_engaged(100),
 		attack_anim_timer(1000),
-		position_update_melee_push_timer(1000)
+		position_update_melee_push_timer(1000),
+		mHateListCleanup(3000)
 {
 	targeted = 0;
 	tar_ndx = 0;
diff --git a/zone/mob.h b/zone/mob.h
index deb24f640..d5de43e0c 100644
--- a/zone/mob.h
+++ b/zone/mob.h
@@ -1419,6 +1419,7 @@ protected:
 	void AddItemFactionBonus(uint32 pFactionID,int32 bonus);
 	int32 GetItemFactionBonus(uint32 pFactionID);
 	void ClearItemFactionBonuses();
+	Timer mHateListCleanup;
 
 	void CalculateFearPosition();
 
diff --git a/zone/mob_ai.cpp b/zone/mob_ai.cpp
index 920ec8863..07e7770b0 100644
--- a/zone/mob_ai.cpp
+++ b/zone/mob_ai.cpp
@@ -1024,7 +1024,8 @@ void Mob::AI_Process() {
 
 		// NPCs will forget people after 10 mins of not interacting with them or out of range
 		// both of these maybe zone specific, hardcoded for now
-		hate_list.RemoveStaleEntries(600000, 600.0f);
+		if (mHateListCleanup.Check())
+			hate_list.RemoveStaleEntries(600000, 600.0f);
 		// we are prevented from getting here if we are blind and don't have a target in range
 		// from above, so no extra blind checks needed
 		if ((IsRooted() && !GetSpecialAbility(IGNORE_ROOT_AGGRO_RULES)) || IsBlind())