diff --git a/zun/pci/whitelist.py b/zun/pci/whitelist.py
index 815f08c17..f465bebdb 100644
--- a/zun/pci/whitelist.py
+++ b/zun/pci/whitelist.py
@@ -17,6 +17,7 @@
 from oslo_serialization import jsonutils
 
 from zun.common import exception
+from zun.common.i18n import _
 from zun.pci import devspec