diff --git a/cinderclient/tests/unit/v2/test_shell.py b/cinderclient/tests/unit/v2/test_shell.py
index fa36f10..1cfc005 100644
--- a/cinderclient/tests/unit/v2/test_shell.py
+++ b/cinderclient/tests/unit/v2/test_shell.py
@@ -403,6 +403,10 @@ class ShellTest(utils.TestCase):
         self.run_command('backup-create 1234 --force')
         self.assert_called('POST', '/backups')
 
+    def test_backup_snapshot(self):
+        self.run_command('backup-create 1234 --snapshot-id 4321')
+        self.assert_called('POST', '/backups')
+
     def test_restore(self):
         self.run_command('backup-restore 1234')
         self.assert_called('POST', '/backups/1234/restore')
diff --git a/cinderclient/tests/unit/v2/test_volume_backups.py b/cinderclient/tests/unit/v2/test_volume_backups.py
index 296305f..7f72c63 100644
--- a/cinderclient/tests/unit/v2/test_volume_backups.py
+++ b/cinderclient/tests/unit/v2/test_volume_backups.py
@@ -42,6 +42,12 @@ class VolumeBackupsTest(utils.TestCase):
                           None, None, False, True)
         cs.assert_called('POST', '/backups')
 
+    def test_create_snapshot(self):
+        cs.backups.create('2b695faf-b963-40c8-8464-274008fbcef4',
+                          None, None, False, False,
+                          '3c706gbg-c074-51d9-9575-385119gcdfg5')
+        cs.assert_called('POST', '/backups')
+
     def test_get(self):
         backup_id = '76a17945-3c6f-435c-975b-b5685db10b62'
         cs.backups.get(backup_id)
diff --git a/cinderclient/v2/shell.py b/cinderclient/v2/shell.py
index 6b3a4f2..ea2abd8 100644
--- a/cinderclient/v2/shell.py
+++ b/cinderclient/v2/shell.py
@@ -1358,6 +1358,10 @@ def do_retype(cs, args):
            'of an "in-use" volume means your data is crash '
            'consistent. Default=False.',
            default=False)
+@utils.arg('--snapshot-id',
+           metavar='<snapshot-id>',
+           default=None,
+           help='ID of snapshot to backup. Default=None.')
 @utils.service_type('volumev2')
 def do_backup_create(cs, args):
     """Creates a volume backup."""
@@ -1373,7 +1377,8 @@ def do_backup_create(cs, args):
                                args.name,
                                args.description,
                                args.incremental,
-                               args.force)
+                               args.force,
+                               args.snapshot_id)
 
     info = {"volume_id": volume.id}
     info.update(backup._info)
diff --git a/cinderclient/v2/volume_backups.py b/cinderclient/v2/volume_backups.py
index d97d846..fc653c8 100644
--- a/cinderclient/v2/volume_backups.py
+++ b/cinderclient/v2/volume_backups.py
@@ -39,7 +39,8 @@ class VolumeBackupManager(base.ManagerWithFind):
 
     def create(self, volume_id, container=None,
                name=None, description=None,
-               incremental=False, force=False):
+               incremental=False, force=False,
+               snapshot_id=None):
         """Creates a volume backup.
 
         :param volume_id: The ID of the volume to backup.
@@ -55,7 +56,8 @@ class VolumeBackupManager(base.ManagerWithFind):
                            'name': name,
                            'description': description,
                            'incremental': incremental,
-                           'force': force, }}
+                           'force': force,
+                           'snapshot_id': snapshot_id, }}
         return self._create('/backups', body, 'backup')
 
     def get(self, backup_id):