diff --git a/nova/objectstore/handler.py b/nova/objectstore/handler.py
index 199df226ae..97c4eeb36b 100644
--- a/nova/objectstore/handler.py
+++ b/nova/objectstore/handler.py
@@ -307,7 +307,7 @@ class ImageHandler(BaseRequestHandler):
         image_id = self.get_argument("image_id", u"")
         image_object = image.Image(image_id)
 
-        if not image.is_authorized(self.context):
+        if not image_object.is_authorized(self.context):
             raise web.HTTPError(403)
 
         image_object.delete()