From 52fb3f74347fee1884be0ad22530e188595a6d4b Mon Sep 17 00:00:00 2001
From: Mark Hanna <mark@skvare.com>
Date: Thu, 1 Nov 2018 07:46:18 -0500
Subject: [PATCH] only nullify 'null'

---
 CRM/Core/BAO/CustomValueTable.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CRM/Core/BAO/CustomValueTable.php b/CRM/Core/BAO/CustomValueTable.php
index 784602f3c4..3305eabb26 100644
--- a/CRM/Core/BAO/CustomValueTable.php
+++ b/CRM/Core/BAO/CustomValueTable.php
@@ -219,7 +219,7 @@ class CRM_Core_BAO_CustomValueTable {
             default:
               break;
           }
-          if (is_null($value)) {
+          if ($value === 'null') {
             // when unsetting a value to null, we don't need to validate the type
             // https://projectllr.atlassian.net/browse/VGQBMP-20
             $set[$field['column_name']] = $value;
-- 
2.25.1