diff --git a/Services/Certificate/test/ilCertificateCloneActionTest.php b/Services/Certificate/test/ilCertificateCloneActionTest.php
index abf2c070f379..6d95ba77a866 100644
--- a/Services/Certificate/test/ilCertificateCloneActionTest.php
+++ b/Services/Certificate/test/ilCertificateCloneActionTest.php
@@ -64,7 +64,7 @@ public function testCloneCertificate() : void
                         '<xml> Some Content </xml>',
                         md5('<xml> Some Content </xml>'),
                         '[]',
-                        '3',
+                        3,
                         'v5.3.0',
                         123456789,
                         true,