diff --git a/server/gameserver/creature.h b/server/gameserver/creature.h
index 79c1e76e..b77c5337 100644
--- a/server/gameserver/creature.h
+++ b/server/gameserver/creature.h
@@ -132,6 +132,7 @@ class Creature : public MoveableEntity
     a8::XTimerWp remove_shot_hold_timer;
 
     a8::XTimerWp nature_recover_hp_idle_timer;
+    std::map<int, int> hook_hash;
 
     int side = 0;
     int road_idx = 0;