diff --git a/test/phpunit/CategorieTest.php b/test/phpunit/CategorieTest.php
index 26ddd4bdfd5220e9ad42a3395646d67aeb993a8c..b974e6f57a52f8c8a0e6614937974de546e52537 100755
--- a/test/phpunit/CategorieTest.php
+++ b/test/phpunit/CategorieTest.php
@@ -135,6 +135,9 @@ class CategorieTest extends PHPUnit_Framework_TestCase
print __METHOD__." result=".$result."\n";
$this->assertGreaterThan(0, $result);
+ // Unset $this->id for good check test
+ unset($localobject->id);
+
// We check if exist
$result=$localobject->already_exists();
print __METHOD__." result=".$result."\n";