--- a/exportData.csv.php
+++ b/exportData.csv.php
@@ -6,7 +6,9 @@
 $result = mysql_query('
 SELECT CNID,contractnotice.agencyName,agency.abn as agencyABN,DATE(publishDate),contractStart,contractEnd,value,description,procurementMethod,category,categoryUNSPSC
 ,supplierABN,supplierName,supplierCity,supplierPostcode,supplierCountry,contactPostcode,
-IF(supplierABN != "",supplierABN,supplierName) as supplierID,
+(
+ case when "supplierABN" != 0 THEN "supplierABN"::text ELSE "supplierName" END) as supplierID
+ 
 concat("https://www.tenders.gov.au/?event=public.advancedsearch.keyword&keyword=CN",CNID) as sourceURL 
 FROM `contractnotice` join agency on contractnotice.agencyName=agency.agencyName where childCN = 0');
 if (!$result) die('Couldn\'t fetch records');