diff --git a/tests/disk_guided_encrypted_postinstall.pm b/tests/disk_guided_encrypted_postinstall.pm
index de2237f0..021ed89c 100644
--- a/tests/disk_guided_encrypted_postinstall.pm
+++ b/tests/disk_guided_encrypted_postinstall.pm
@@ -1,6 +1,7 @@
 use base "installedtest";
 use strict;
 use testapi;
+use utils;
 
 sub run {
     my $self = shift;