diff --git a/test/setup/SetupUtilsTest.php b/test/setup/SetupUtilsTest.php
index 51ce91e2b..6ed09161c 100644
--- a/test/setup/SetupUtilsTest.php
+++ b/test/setup/SetupUtilsTest.php
@@ -136,10 +136,12 @@ class SetupUtilsTest extends ItopTestCase
 		// Ensure that not validated version is greater than min. supported version
 		$this->assertTrue(version_compare($sPHPMinVersion, $sPHPNotValidatedVersion, '<'), "SetupUtils::PHP_MIN_VERSION ($sPHPMinVersion) is not strictly lower than SetupUtils::PHP_NOT_VALIDATED_VERSION ($sPHPNotValidatedVersion)");
 
-		$oComposerConfig = json_decode(file_get_contents(APPROOT.'composer.json'));
-		// Platform/PHP must be set to the minimum to ensure dependancies are compatible with the min. version
-		$this->assertEquals($sPHPMinVersion, $oComposerConfig->config->platform->php, "Composer/Platform/PHP");
-		// Require/PHP must be set to the supported PHP versions range in order to keep our package constraints up-to-date
-		$this->assertEquals(">=$sPHPMinVersion <$sPHPNotValidatedVersion", $oComposerConfig->require->php, "Composer/Require/PHP");
+		if (file_exists(APPROOT.'composer.json')) {
+			$oComposerConfig = json_decode(file_get_contents(APPROOT.'composer.json'));
+			// Platform/PHP must be set to the minimum to ensure dependancies are compatible with the min. version
+			$this->assertEquals($sPHPMinVersion, $oComposerConfig->config->platform->php, "Composer/Platform/PHP");
+			// Require/PHP must be set to the supported PHP versions range in order to keep our package constraints up-to-date
+			$this->assertEquals(">=$sPHPMinVersion <$sPHPNotValidatedVersion", $oComposerConfig->require->php, "Composer/Require/PHP");
+		}
 	}
 }