diff --git a/src/js/libqa.js b/src/js/libqa.js
index 34e87e8..7cd72bd 100644
--- a/src/js/libqa.js
+++ b/src/js/libqa.js
@@ -24,6 +24,7 @@ const GSystem = imports.gi.GSystem;
 const Params = imports.params;
 const ProcUtil = imports.procutil;
 const GuestFish = imports.guestfish;
+const Format = imports.format;
 
 const DEFAULT_GF_PARTITION_OPTS = ['-m', '/dev/sda3', '-m', '/dev/sda1:/boot'];