diff --git a/tests/library/Class/TypeDocTest.php b/tests/library/Class/TypeDocTest.php
index 1188e521eb3205ffc68d727f0b2e0ba501918d4d..b967fcdb803de390bd12de9ea149571dc13959da 100644
--- a/tests/library/Class/TypeDocTest.php
+++ b/tests/library/Class/TypeDocTest.php
@@ -22,6 +22,7 @@
 class TypeDocTest extends Storm_Test_ModelTestCase {
 	public function setUp() {
 		Class_CodifTypeDoc::beVolatile();
+		Class_CosmoVar::beVolatile();
 		$this->cosmo_types = Class_CosmoVar::getLoader()
 			->newInstanceWithId('types_docs')
 			->setListe("0:non identifié\r\n1:livres\r\n2:périodiques");