diff --git a/test/phpunit/AdherentTest.php b/test/phpunit/AdherentTest.php
index d9ba2e267e9..63b55dd37aa 100644
--- a/test/phpunit/AdherentTest.php
+++ b/test/phpunit/AdherentTest.php
@@ -154,6 +154,7 @@ class AdherentTest extends PHPUnit\Framework\TestCase
 		$localobject->statut=1;
 		$localobject->label='Adherent type test';
 		$localobject->subscription=1;
+		$localobject->amount=0;
 		$localobject->vote=1;
 		$localobject->company='Old company label';
 		$result=$localobject->create($user);