diff --git a/L2J_Mobius_Essence_5.0_Sylph/java/org/l2jmobius/gameserver/model/clan/Clan.java b/L2J_Mobius_Essence_5.0_Sylph/java/org/l2jmobius/gameserver/model/clan/Clan.java
index 8a343c989a..905c058048 100644
--- a/L2J_Mobius_Essence_5.0_Sylph/java/org/l2jmobius/gameserver/model/clan/Clan.java
+++ b/L2J_Mobius_Essence_5.0_Sylph/java/org/l2jmobius/gameserver/model/clan/Clan.java
@@ -3104,7 +3104,7 @@ public class Clan implements IIdentifiable, INamable
 		_exp += value;
 		broadcastToOnlineMembers(new ExPledgeV3Info(_exp, getRank(), getNotice(), isNoticeEnabled()));
 		
-		if ((EXP_TABLE[getLevel() - 1]) <= _exp)
+		if ((EXP_TABLE[Math.max(0, getLevel() - 1)]) <= _exp)
 		{
 			changeLevel(_level + 1);
 		}
diff --git a/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/model/clan/Clan.java b/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/model/clan/Clan.java
index 8a343c989a..905c058048 100644
--- a/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/model/clan/Clan.java
+++ b/L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/model/clan/Clan.java
@@ -3104,7 +3104,7 @@ public class Clan implements IIdentifiable, INamable
 		_exp += value;
 		broadcastToOnlineMembers(new ExPledgeV3Info(_exp, getRank(), getNotice(), isNoticeEnabled()));
 		
-		if ((EXP_TABLE[getLevel() - 1]) <= _exp)
+		if ((EXP_TABLE[Math.max(0, getLevel() - 1)]) <= _exp)
 		{
 			changeLevel(_level + 1);
 		}