diff --git a/org.adempiere.pipo.handlers/src/org/adempiere/pipo2/handler/ColumnElementHandler.java b/org.adempiere.pipo.handlers/src/org/adempiere/pipo2/handler/ColumnElementHandler.java
index 5a77931450..8a0b8da4be 100644
--- a/org.adempiere.pipo.handlers/src/org/adempiere/pipo2/handler/ColumnElementHandler.java
+++ b/org.adempiere.pipo.handlers/src/org/adempiere/pipo2/handler/ColumnElementHandler.java
@@ -312,7 +312,7 @@ public class ColumnElementHandler extends AbstractElementHandler {
 			filler.add("AD_Column_ID", new AttributesImpl());
 
 		filler.addString("IsSyncDatabase", "Y", new AttributesImpl());
-		filler.addTableReference("AD_Table", "TableName", new AttributesImpl());
+		filler.addTableReference("AD_Table_ID", "TableName", new AttributesImpl());
 		filler.addTableReference("AD_Reference_Value_ID", "AD_Reference", new AttributesImpl());
 
 		excludes.add("IsSyncDatabase");
diff --git a/org.adempiere.pipo/src/org/adempiere/pipo2/PoExporter.java b/org.adempiere.pipo/src/org/adempiere/pipo2/PoExporter.java
index 558b689d0e..0c147f733c 100644
--- a/org.adempiere.pipo/src/org/adempiere/pipo2/PoExporter.java
+++ b/org.adempiere.pipo/src/org/adempiere/pipo2/PoExporter.java
@@ -159,7 +159,7 @@ public class PoExporter {
 	}
 
 	public void addTableReference(String columnName, String tableName, AttributesImpl atts) {
-		int id = po.get_Value(columnName) != null ? (Integer)po.get_Value(columnName) : 0;
+		int id = po.get_Value(columnName) != null ? (Integer)po.get_Value(columnName) : -1;
 		addTableReference(columnName, tableName, id, atts);
 	}
 
diff --git a/org.adempiere.pipo/src/org/adempiere/pipo2/ReferenceUtils.java b/org.adempiere.pipo/src/org/adempiere/pipo2/ReferenceUtils.java
index b520b02284..6fe91a5dc9 100644
--- a/org.adempiere.pipo/src/org/adempiere/pipo2/ReferenceUtils.java
+++ b/org.adempiere.pipo/src/org/adempiere/pipo2/ReferenceUtils.java
@@ -72,9 +72,9 @@ public class ReferenceUtils {
 			String value = Integer.toString(id);
 			return value;
 		}
-		else if (id == 0)
+		else if (id <= 0)
 		{
-			//no id, should never happen
+			//no id, -1 indicates it was read a null
 			atts.addAttribute("", "", "reference", "CDATA", "id");
 			return "";
 		}