diff --git a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/PAIATest.php b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/PAIATest.php
index 307790b210855dd24e7b00f532fbbb9cdb3520a6..ddd231e2495471464f1f759c0d5c4178ef455b4e 100644
--- a/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/PAIATest.php
+++ b/module/VuFind/tests/unit-tests/src/VuFindTest/ILS/Driver/PAIATest.php
@@ -293,13 +293,13 @@ class PAIATest extends \VuFindTest\Unit\ILSDriverTestCase
     protected $profileTestResult = [
         'firstname' => "Nobody",
         'lastname' => "Nothing",
-        'address1' => NULL,
-        'address2' => NULL,
-        'city' => NULL,
-        'country' => NULL,
-        'zip' => NULL,
-        'phone' => NULL,
-        'group' => NULL,
+        'address1' => null,
+        'address2' => null,
+        'city' => null,
+        'country' => null,
+        'zip' => null,
+        'phone' => null,
+        'group' => null,
         'expires' => "12-31-9999",
         'statuscode' => 0,
         'canWrite' => true