diff --git a/cinder/volume/manager.py b/cinder/volume/manager.py
index e6886c14e4b..0e3fcb288b7 100644
--- a/cinder/volume/manager.py
+++ b/cinder/volume/manager.py
@@ -505,7 +505,7 @@ def delete_snapshot(self, context, snapshot_id):
 
         # Get reservations
         try:
-            if CONF.no_snapshot_gb_quota:
+            if FLAGS.no_snapshot_gb_quota:
                 reservations = QUOTAS.reserve(context,
                                               project_id=project_id,
                                               snapshots=-1)