diff --git a/org.adempiere.base/src/org/compiere/model/MInventoryLineMA.java b/org.adempiere.base/src/org/compiere/model/MInventoryLineMA.java
index 7db4fce3d6..951266607a 100644
--- a/org.adempiere.base/src/org/compiere/model/MInventoryLineMA.java
+++ b/org.adempiere.base/src/org/compiere/model/MInventoryLineMA.java
@@ -238,7 +238,7 @@ public class MInventoryLineMA extends X_M_InventoryLineMA
 	protected boolean beforeSave (boolean newRecord)
 	{
 		//Set DateMaterialPolicy
-		if(is_ValueChanged(COLUMNNAME_M_AttributeSetInstance_ID)){
+		if(!newRecord && is_ValueChanged(COLUMNNAME_M_AttributeSetInstance_ID)){
 			I_M_InventoryLine line = getM_InventoryLine();
 			
 			Timestamp dateMPolicy = null;