diff --git a/aCis_gameserver/java/net/sf/l2j/gameserver/model/zone/type/BossZone.java b/aCis_gameserver/java/net/sf/l2j/gameserver/model/zone/type/BossZone.java
index 5e5b7c0..12380c1 100644
--- a/aCis_gameserver/java/net/sf/l2j/gameserver/model/zone/type/BossZone.java
+++ b/aCis_gameserver/java/net/sf/l2j/gameserver/model/zone/type/BossZone.java
@@ -86,7 +86,7 @@
 			player.setInsideZone(ZoneId.NO_SUMMON_FRIEND, true);
 			
 			// Skip other checks for GM or if no invade time is set.
-			if (player.isGM() || _invadeTime == 0)
+			if (player.isGM() || _invadeTime == 0 || player.getMemos().containsKey("GrandBossTeleporters_Valakas"))
 				return;
 			
 			// Get player object id.