diff --git a/server/gameserver/refreshrule.h b/server/gameserver/refreshrule.h
index 1cbd287..7cf4524 100644
--- a/server/gameserver/refreshrule.h
+++ b/server/gameserver/refreshrule.h
@@ -1,5 +1,6 @@
 #pragma once
 
+class Human;
 class Room;
 class RefreshRule
 {
@@ -8,4 +9,7 @@ class RefreshRule
 
     void Init();
     void UnInit();
+
+private:
+    std::list<Human*> hold_humans_;
 };