diff --git a/ceilometer/api/controllers/v2.py b/ceilometer/api/controllers/v2.py
index 162093054..3d1ea0223 100644
--- a/ceilometer/api/controllers/v2.py
+++ b/ceilometer/api/controllers/v2.py
@@ -40,6 +40,7 @@ import wsmeext.pecan as wsme_pecan
 from wsme import types as wtypes
 
 from ceilometer.openstack.common import context
+from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
 from ceilometer.openstack.common import timeutils
 from ceilometer import sample
diff --git a/ceilometer/transformer/conversions.py b/ceilometer/transformer/conversions.py
index d0a0d5d11..3a560c0ca 100644
--- a/ceilometer/transformer/conversions.py
+++ b/ceilometer/transformer/conversions.py
@@ -19,6 +19,7 @@
 from collections import defaultdict
 
 from ceilometer import sample
+from ceilometer.openstack.common.gettextutils import _
 from ceilometer.openstack.common import log
 from ceilometer.openstack.common import timeutils
 from ceilometer import transformer