diff --git a/src/pylorax/instroot.py b/src/pylorax/instroot.py
index 46aba9d8..ff41c097 100644
--- a/src/pylorax/instroot.py
+++ b/src/pylorax/instroot.py
@@ -20,6 +20,7 @@
 # Author(s): David Cantrell <dcantrell@redhat.com>
 #
 
+import os
 import sys
 import pylorax