diff --git a/src/strategy/values/AttackersValue.h b/src/strategy/values/AttackersValue.h
index b475e92b..5a586038 100644
--- a/src/strategy/values/AttackersValue.h
+++ b/src/strategy/values/AttackersValue.h
@@ -23,9 +23,9 @@ class AttackersValue : public ObjectGuidListCalculatedValue
         static bool IsValidTarget(Unit* attacker, Player* bot);
 
 	private:
-        void AddAttackersOf(Group* group, std::set<Unit*>& targets);
-        void AddAttackersOf(Player* player, std::set<Unit*>& targets);
-        void RemoveNonThreating(std::set<Unit*>& targets);
+        void AddAttackersOf(Group* group, std::unordered_set<Unit*>& targets);
+        void AddAttackersOf(Player* player, std::unordered_set<Unit*>& targets);
+        void RemoveNonThreating(std::unordered_set<Unit*>& targets);
         bool hasRealThreat(Unit* attacker);
 };