diff --git a/code/model/UserDefinedForm.php b/code/model/UserDefinedForm.php
index 43ce9aa..21fa0af 100755
--- a/code/model/UserDefinedForm.php
+++ b/code/model/UserDefinedForm.php
@@ -165,7 +165,7 @@ class UserDefinedForm extends Page {
 
 			// get a list of all field names and values used for print and export CSV views of the GridField below.
 			$columnSQL = <<<SQL
-SELECT "SubmittedFormField"."Name" as "Name", "SubmittedFormField"."Title" as "Title", IFNULL("EditableFormField"."Sort", 999) AS "Sort"
+SELECT "SubmittedFormField"."Name" as "Name", "SubmittedFormField"."Title" as "Title", COALESCE("EditableFormField"."Sort", 999) AS "Sort"
 FROM "SubmittedFormField"
 LEFT JOIN "SubmittedForm" ON "SubmittedForm"."ID" = "SubmittedFormField"."ParentID"
 LEFT JOIN "EditableFormField" ON "EditableFormField"."Title" = "SubmittedFormField"."Title" AND "EditableFormField"."ParentID" = '$parentID'