diff --git a/tests/phpunit/Civi/Core/FormatTest.php b/tests/phpunit/Civi/Core/FormatTest.php
index b81b08cfea73..826f4e1174c4 100644
--- a/tests/phpunit/Civi/Core/FormatTest.php
+++ b/tests/phpunit/Civi/Core/FormatTest.php
@@ -184,7 +184,7 @@ public function localeMoneyTestCases(): array {
         'money_number_long' => '1 234,560',
       ],
     ];
-    $cases['en_US_KWD_long'] = [
+    $cases['fr_FR_KWD_long'] = [
       [
         'amount' => '1234.5678000',
         'locale' => 'fr_FR',