diff --git a/migration/i4.1/oracle/201703311809_IDEMPIERE-3330.sql b/migration/i4.1/oracle/201703311809_IDEMPIERE-3330.sql
new file mode 100644
index 0000000000..b593e61503
--- /dev/null
+++ b/migration/i4.1/oracle/201703311809_IDEMPIERE-3330.sql
@@ -0,0 +1,11 @@
+SET SQLBLANKLINES ON
+SET DEFINE OFF
+
+-- IDEMPIERE-3330 Shipment Line - movement qty field not shown until qty is changed
+-- Mar 31, 2017 6:03:02 PM CEST
+UPDATE AD_Column SET Callout='org.compiere.model.CalloutInOut.navigateInOutLine', IsUpdateable='N',Updated=TO_DATE('2017-03-31 18:03:02','YYYY-MM-DD HH24:MI:SS'),UpdatedBy=100 WHERE AD_Column_ID=3529
+;
+
+SELECT register_migration_script('201703311809_IDEMPIERE-3330.sql') FROM dual
+;
+
diff --git a/migration/i4.1/postgresql/201703311809_IDEMPIERE-3330.sql b/migration/i4.1/postgresql/201703311809_IDEMPIERE-3330.sql
new file mode 100644
index 0000000000..2b9839faf2
--- /dev/null
+++ b/migration/i4.1/postgresql/201703311809_IDEMPIERE-3330.sql
@@ -0,0 +1,8 @@
+-- IDEMPIERE-3330 Shipment Line - movement qty field not shown until qty is changed
+-- Mar 31, 2017 6:03:02 PM CEST
+UPDATE AD_Column SET Callout='org.compiere.model.CalloutInOut.navigateInOutLine', IsUpdateable='N',Updated=TO_TIMESTAMP('2017-03-31 18:03:02','YYYY-MM-DD HH24:MI:SS'),UpdatedBy=100 WHERE AD_Column_ID=3529
+;
+
+SELECT register_migration_script('201703311809_IDEMPIERE-3330.sql') FROM dual
+;
+
diff --git a/org.adempiere.base.callout/src/org/compiere/model/CalloutInOut.java b/org.adempiere.base.callout/src/org/compiere/model/CalloutInOut.java
index 6765e674dd..e2e847022a 100644
--- a/org.adempiere.base.callout/src/org/compiere/model/CalloutInOut.java
+++ b/org.adempiere.base.callout/src/org/compiere/model/CalloutInOut.java
@@ -719,4 +719,21 @@ public class CalloutInOut extends CalloutEngine
 		return "";
 	}	//	asi
 
+	public String navigateInOutLine(Properties ctx, int WindowNo, GridTab mTab, GridField mField, Object value)
+	{
+		if (isCalloutActive() || value == null)
+			return "";
+
+		int M_Product_ID = Env.getContextAsInt(ctx, WindowNo, mTab.getTabNo(), "M_Product_ID");
+		//	No Product
+		if (M_Product_ID != 0) {
+			MProduct product = MProduct.get(ctx, M_Product_ID);
+			int C_UOM_To_ID = Env.getContextAsInt(ctx, WindowNo, mTab.getTabNo(), "C_UOM_ID");
+			boolean conversion = (C_UOM_To_ID != product.getC_UOM_ID());
+			Env.setContext(ctx, WindowNo, "UOMConversion", conversion ? "Y" : "N");
+		}
+		return "";
+	}	//	navigateInOutLine
+
+	
 }	//	CalloutInOut
\ No newline at end of file