diff --git a/tests/tasks/EncryptAllPasswordsTaskTest.php b/tests/tasks/EncryptAllPasswordsTaskTest.php
index c37d35ef6..310205fbe 100644
--- a/tests/tasks/EncryptAllPasswordsTaskTest.php
+++ b/tests/tasks/EncryptAllPasswordsTaskTest.php
@@ -11,11 +11,11 @@ class EncryptAllPasswordsTaskTest extends SapphireTest {
 		$m->write();
 		
 		$t = new EncryptAllPasswordsTask();
-		$t->run();
+		$t->run(null);
 		
 		$m = DataObject::get_by_id('Member', $m->ID);
 		$this->assertEquals($m->PasswordEncryption, 'sha1_v2.4');
 		$this->assertNotEquals($m->Password, 'plain');
 		$this->assertTrue($m->checkPassword('plain'));
 	}
-}
\ No newline at end of file
+}