diff --git a/t/db_dependent/AuthoritiesMarc/MARC21.t b/t/db_dependent/AuthoritiesMarc/MARC21.t
index 77047e4bbc..d8ccde0d3f 100755
--- a/t/db_dependent/AuthoritiesMarc/MARC21.t
+++ b/t/db_dependent/AuthoritiesMarc/MARC21.t
@@ -28,7 +28,7 @@ subtest 'CompareFieldWithAuthority tests' => sub {
 
     # We are now going to be testing the authorities hierarchy code, and
     # therefore need to pretend that we have consistent data in our database
-    my $module = new Test::MockModule('C4::AuthoritiesMarc');
+    my $module = Test::MockModule->new('C4::AuthoritiesMarc');
     $module->mock('GetHeaderAuthority', sub {
         return {'authtrees' => ''};
     });