diff --git a/nova/virt/libvirt/volume.py b/nova/virt/libvirt/volume.py
index b4a05760e2..59624575d8 100644
--- a/nova/virt/libvirt/volume.py
+++ b/nova/virt/libvirt/volume.py
@@ -1460,7 +1460,7 @@ class LibvirtScalityVolumeDriver(LibvirtBaseVolumeDriver):
         # config is mandatory
         config = CONF.libvirt.scality_sofs_config
         if not config:
-            msg = _LW("Value required for 'scality_sofs_config'")
+            msg = _("Value required for 'scality_sofs_config'")
             LOG.warn(msg)
             raise exception.NovaException(msg)
 
@@ -1471,13 +1471,13 @@ class LibvirtScalityVolumeDriver(LibvirtBaseVolumeDriver):
         try:
             urllib.request.urlopen(config, timeout=5).close()
         except urllib.error.URLError as e:
-            msg = _LW("Cannot access 'scality_sofs_config': %s") % e
+            msg = _("Cannot access 'scality_sofs_config': %s") % e
             LOG.warn(msg)
             raise exception.NovaException(msg)
 
         # mount.sofs must be installed
         if not os.access('/sbin/mount.sofs', os.X_OK):
-            msg = _LW("Cannot execute /sbin/mount.sofs")
+            msg = _("Cannot execute /sbin/mount.sofs")
             LOG.warn(msg)
             raise exception.NovaException(msg)
 
@@ -1492,7 +1492,7 @@ class LibvirtScalityVolumeDriver(LibvirtBaseVolumeDriver):
             utils.execute('mount', '-t', 'sofs', config, mount_path,
                           run_as_root=True)
         if not os.path.isdir(sysdir):
-            msg = _LW("Cannot mount Scality SOFS, check syslog for errors")
+            msg = _("Cannot mount Scality SOFS, check syslog for errors")
             LOG.warn(msg)
             raise exception.NovaException(msg)