diff --git a/cinder/backup/drivers/ceph.py b/cinder/backup/drivers/ceph.py
index 7bf4e846f18..db2b60a5604 100644
--- a/cinder/backup/drivers/ceph.py
+++ b/cinder/backup/drivers/ceph.py
@@ -976,7 +976,7 @@ class CephBackupDriver(driver.BackupDriver):
                     self.delete_backup(backup)
         else:
             if backup.parent_id:
-                LOG.debug("Volume file is NOT RBD: can't perform"
+                LOG.debug("Volume file is NOT RBD: can't perform "
                           "incremental backup.")
                 raise exception.BackupRBDOperationFailed
             LOG.debug("Volume file is NOT RBD: will do full backup.")
diff --git a/cinder/volume/drivers/macrosan/driver.py b/cinder/volume/drivers/macrosan/driver.py
index f26691eba97..0d043c6e5ad 100644
--- a/cinder/volume/drivers/macrosan/driver.py
+++ b/cinder/volume/drivers/macrosan/driver.py
@@ -967,7 +967,7 @@ class MacroSANBaseDriver(driver.VolumeDriver):
         owner = self.client.get_lun_sp(src_name)
         pool = host['capabilities'].get('pool_name', self.pool)
 
-        LOG.info('Migrating volume: %(volume), '
+        LOG.info('Migrating volume: %(volume)s, '
                  'host: %(host)s, '
                  'backend: %(volume_backend_name)s',
                  {'volume': src_name,