diff --git a/cinderclient/v1/volume_backups.py b/cinderclient/v1/volume_backups.py
index 8e1f2e756..6c492e9d9 100644
--- a/cinderclient/v1/volume_backups.py
+++ b/cinderclient/v1/volume_backups.py
@@ -58,7 +58,7 @@ class VolumeBackupManager(base.ManagerWithFind):
         """
         return self._get("/backups/%s" % backup_id, "backup")
 
-    def list(self, detailed=True):
+    def list(self, detailed=True, search_opts=None):
         """Get a list of all volume backups.
 
         :rtype: list of :class:`VolumeBackup`
diff --git a/cinderclient/v2/volume_backups.py b/cinderclient/v2/volume_backups.py
index ae232c274..a948b5ee0 100644
--- a/cinderclient/v2/volume_backups.py
+++ b/cinderclient/v2/volume_backups.py
@@ -58,7 +58,7 @@ class VolumeBackupManager(base.ManagerWithFind):
         """
         return self._get("/backups/%s" % backup_id, "backup")
 
-    def list(self, detailed=True):
+    def list(self, detailed=True, search_opts=None):
         """Get a list of all volume backups.
 
         :rtype: list of :class:`VolumeBackup`