diff --git a/tests/unit/Reference/ProfilePickerReferenceProviderTest.php b/tests/unit/Reference/ProfilePickerReferenceProviderTest.php
index 47bb5c0b7..d299ea329 100644
--- a/tests/unit/Reference/ProfilePickerReferenceProviderTest.php
+++ b/tests/unit/Reference/ProfilePickerReferenceProviderTest.php
@@ -166,10 +166,10 @@ private function setupUserAccountReferenceExpectation(string $userId): ?IReferen
 					$propertyMock = $this->createMock(IAccountProperty::class);
 					$propertyMock->expects($this->any())
 						->method('getValue')
-						->willReturn($this->testAccountsData[$userId][$property]['value']);
+						->willReturn($this->testAccountsData[$userId][$property]['value'] ?? '');
 					$propertyMock->expects($this->any())
 						->method('getScope')
-						->willReturn($this->testAccountsData[$userId][$property]['scope']);
+						->willReturn($this->testAccountsData[$userId][$property]['scope'] ?? '');
 					return $propertyMock;
 				});