diff --git a/org.adempiere.base/src/org/compiere/model/MInOut.java b/org.adempiere.base/src/org/compiere/model/MInOut.java
index be0113f9db..31fc959547 100644
--- a/org.adempiere.base/src/org/compiere/model/MInOut.java
+++ b/org.adempiere.base/src/org/compiere/model/MInOut.java
@@ -1203,9 +1203,21 @@ public class MInOut extends X_M_InOut implements DocAction
 			if (product != null && product.isASIMandatory(isSOTrx()))
 			{
 				if (product.getAttributeSet() != null && !product.getAttributeSet().excludeTableEntry(MInOutLine.Table_ID, isSOTrx())) {
-					m_processMsg = "@M_AttributeSet_ID@ @IsMandatory@ (@Line@ #" + lines[i].getLine() +
-									", @M_Product_ID@=" + product.getValue() + ")";
-					return DocAction.STATUS_Invalid;
+					BigDecimal qtyDiff = line.getMovementQty();
+					// verify if the ASIs are captured on lineMA
+					MInOutLineMA mas[] = MInOutLineMA.get(getCtx(),
+							line.getM_InOut_ID(), get_TrxName());
+					BigDecimal qtyma = Env.ZERO;
+					for (MInOutLineMA ma : mas) {
+						if (! ma.isAutoGenerated()) {
+							qtyma = qtyma.add(ma.getMovementQty());
+						}
+					}
+					if (qtyma.subtract(qtyDiff).signum() != 0) {
+						m_processMsg = "@M_AttributeSet_ID@ @IsMandatory@ (@Line@ #" + lines[i].getLine() +
+								", @M_Product_ID@=" + product.getValue() + ")";
+						return DocAction.STATUS_Invalid;
+					}
 				}
 			}
 		}