diff --git a/L2J_Mobius_Classic/java/com/l2jmobius/gameserver/data/xml/impl/BuyListData.java b/L2J_Mobius_Classic/java/com/l2jmobius/gameserver/data/xml/impl/BuyListData.java
index 486f0d22e4..a0256156ce 100644
--- a/L2J_Mobius_Classic/java/com/l2jmobius/gameserver/data/xml/impl/BuyListData.java
+++ b/L2J_Mobius_Classic/java/com/l2jmobius/gameserver/data/xml/impl/BuyListData.java
@@ -143,7 +143,16 @@ public final class BuyListData implements IGameXmlReader
 							final L2Item item = ItemTable.getInstance().getTemplate(itemId);
 							if (item != null)
 							{
-								buyList.addProduct(new Product(buyList.getListId(), item, price, restockDelay, count));
+								if ((price > -1) && (item.getReferencePrice() > price) && (buyList.getNpcsAllowed() != null))
+								{
+									LOGGER.warning("Item price is too low. BuyList:" + buyList.getListId() + " ItemID:" + itemId + " File:" + f.getName());
+									LOGGER.warning("Setting price to reference price " + item.getReferencePrice() + " instead of " + price + ".");
+									buyList.addProduct(new Product(buyList.getListId(), item, price, restockDelay, count));
+								}
+								else
+								{
+									buyList.addProduct(new Product(buyList.getListId(), item, price, restockDelay, count));
+								}
 							}
 							else
 							{
diff --git a/L2J_Mobius_Classic/java/com/l2jmobius/gameserver/model/buylist/L2BuyList.java b/L2J_Mobius_Classic/java/com/l2jmobius/gameserver/model/buylist/L2BuyList.java
index decb1e18aa..3a2f60297b 100644
--- a/L2J_Mobius_Classic/java/com/l2jmobius/gameserver/model/buylist/L2BuyList.java
+++ b/L2J_Mobius_Classic/java/com/l2jmobius/gameserver/model/buylist/L2BuyList.java
@@ -69,4 +69,9 @@ public final class L2BuyList
 	{
 		return (_allowedNpcs != null) && _allowedNpcs.contains(npcId);
 	}
+	
+	public Set<Integer> getNpcsAllowed()
+	{
+		return _allowedNpcs;
+	}
 }
diff --git a/L2J_Mobius_Helios/java/com/l2jmobius/gameserver/data/xml/impl/BuyListData.java b/L2J_Mobius_Helios/java/com/l2jmobius/gameserver/data/xml/impl/BuyListData.java
index 486f0d22e4..a0256156ce 100644
--- a/L2J_Mobius_Helios/java/com/l2jmobius/gameserver/data/xml/impl/BuyListData.java
+++ b/L2J_Mobius_Helios/java/com/l2jmobius/gameserver/data/xml/impl/BuyListData.java
@@ -143,7 +143,16 @@ public final class BuyListData implements IGameXmlReader
 							final L2Item item = ItemTable.getInstance().getTemplate(itemId);
 							if (item != null)
 							{
-								buyList.addProduct(new Product(buyList.getListId(), item, price, restockDelay, count));
+								if ((price > -1) && (item.getReferencePrice() > price) && (buyList.getNpcsAllowed() != null))
+								{
+									LOGGER.warning("Item price is too low. BuyList:" + buyList.getListId() + " ItemID:" + itemId + " File:" + f.getName());
+									LOGGER.warning("Setting price to reference price " + item.getReferencePrice() + " instead of " + price + ".");
+									buyList.addProduct(new Product(buyList.getListId(), item, price, restockDelay, count));
+								}
+								else
+								{
+									buyList.addProduct(new Product(buyList.getListId(), item, price, restockDelay, count));
+								}
 							}
 							else
 							{
diff --git a/L2J_Mobius_Helios/java/com/l2jmobius/gameserver/model/buylist/L2BuyList.java b/L2J_Mobius_Helios/java/com/l2jmobius/gameserver/model/buylist/L2BuyList.java
index decb1e18aa..3a2f60297b 100644
--- a/L2J_Mobius_Helios/java/com/l2jmobius/gameserver/model/buylist/L2BuyList.java
+++ b/L2J_Mobius_Helios/java/com/l2jmobius/gameserver/model/buylist/L2BuyList.java
@@ -69,4 +69,9 @@ public final class L2BuyList
 	{
 		return (_allowedNpcs != null) && _allowedNpcs.contains(npcId);
 	}
+	
+	public Set<Integer> getNpcsAllowed()
+	{
+		return _allowedNpcs;
+	}
 }
diff --git a/L2J_Mobius_Underground/java/com/l2jmobius/gameserver/data/xml/impl/BuyListData.java b/L2J_Mobius_Underground/java/com/l2jmobius/gameserver/data/xml/impl/BuyListData.java
index 486f0d22e4..a0256156ce 100644
--- a/L2J_Mobius_Underground/java/com/l2jmobius/gameserver/data/xml/impl/BuyListData.java
+++ b/L2J_Mobius_Underground/java/com/l2jmobius/gameserver/data/xml/impl/BuyListData.java
@@ -143,7 +143,16 @@ public final class BuyListData implements IGameXmlReader
 							final L2Item item = ItemTable.getInstance().getTemplate(itemId);
 							if (item != null)
 							{
-								buyList.addProduct(new Product(buyList.getListId(), item, price, restockDelay, count));
+								if ((price > -1) && (item.getReferencePrice() > price) && (buyList.getNpcsAllowed() != null))
+								{
+									LOGGER.warning("Item price is too low. BuyList:" + buyList.getListId() + " ItemID:" + itemId + " File:" + f.getName());
+									LOGGER.warning("Setting price to reference price " + item.getReferencePrice() + " instead of " + price + ".");
+									buyList.addProduct(new Product(buyList.getListId(), item, price, restockDelay, count));
+								}
+								else
+								{
+									buyList.addProduct(new Product(buyList.getListId(), item, price, restockDelay, count));
+								}
 							}
 							else
 							{
diff --git a/L2J_Mobius_Underground/java/com/l2jmobius/gameserver/model/buylist/L2BuyList.java b/L2J_Mobius_Underground/java/com/l2jmobius/gameserver/model/buylist/L2BuyList.java
index decb1e18aa..3a2f60297b 100644
--- a/L2J_Mobius_Underground/java/com/l2jmobius/gameserver/model/buylist/L2BuyList.java
+++ b/L2J_Mobius_Underground/java/com/l2jmobius/gameserver/model/buylist/L2BuyList.java
@@ -69,4 +69,9 @@ public final class L2BuyList
 	{
 		return (_allowedNpcs != null) && _allowedNpcs.contains(npcId);
 	}
+	
+	public Set<Integer> getNpcsAllowed()
+	{
+		return _allowedNpcs;
+	}
 }