diff --git a/tests/php-unit-tests/src/BaseTestCase/ItopCustomDatamodelTestCase.php b/tests/php-unit-tests/src/BaseTestCase/ItopCustomDatamodelTestCase.php
index 934b751874..7034cb5b5a 100644
--- a/tests/php-unit-tests/src/BaseTestCase/ItopCustomDatamodelTestCase.php
+++ b/tests/php-unit-tests/src/BaseTestCase/ItopCustomDatamodelTestCase.php
@@ -88,7 +88,7 @@ abstract class ItopCustomDatamodelTestCase extends ItopDataTestCase
 	 */
 	protected function GetSourceEnvironment(): string
 	{
-		return ITOP_DEFAULT_ENV;
+		return 'production';
 	}
 
 	/**
diff --git a/tests/php-unit-tests/src/BaseTestCase/ItopDataTestCase.php b/tests/php-unit-tests/src/BaseTestCase/ItopDataTestCase.php
index cc5769d2ba..74d7d6d1fb 100644
--- a/tests/php-unit-tests/src/BaseTestCase/ItopDataTestCase.php
+++ b/tests/php-unit-tests/src/BaseTestCase/ItopDataTestCase.php
@@ -86,7 +86,7 @@ abstract class ItopDataTestCase extends ItopTestCase
 	/**
 	 * @var string Default environment to use for test cases
 	 */
-	public const DEFAULT_TEST_ENVIRONMENT = ITOP_DEFAULT_ENV;
+	public const DEFAULT_TEST_ENVIRONMENT = 'production';
 	public const USE_TRANSACTION = true;
 	public const CREATE_TEST_ORG = false;
 
diff --git a/tests/php-unit-tests/unitary-tests/core/CMDBSource/TransactionsTest.php b/tests/php-unit-tests/unitary-tests/core/CMDBSource/TransactionsTest.php
index a7f1e15a70..0153b8d235 100644
--- a/tests/php-unit-tests/unitary-tests/core/CMDBSource/TransactionsTest.php
+++ b/tests/php-unit-tests/unitary-tests/core/CMDBSource/TransactionsTest.php
@@ -31,7 +31,7 @@ class TransactionsTest extends ItopTestCase
 		parent::setUp();
 		require_once('DeadLockInjection.php');
 		$this->RequireOnceItopFile('/core/cmdbsource.class.inc.php');
-		$sEnv = ITOP_DEFAULT_ENV;
+		$sEnv = 'production';
 		$sConfigFile = APPCONF.$sEnv.'/config-itop.php';
 
 		MetaModel::Startup($sConfigFile, false, true, false, $sEnv);