diff --git a/glance/api/v2/images.py b/glance/api/v2/images.py
index d7e5d09833..d23cadb7d7 100644
--- a/glance/api/v2/images.py
+++ b/glance/api/v2/images.py
@@ -178,7 +178,7 @@ class ImagesController(object):
         except exception.NotFound as e:
             msg = ("Failed to find image %(image_id)s to delete" % locals())
             LOG.info(msg)
-            raise webob.exc.HTTPNotFound()
+            raise webob.exc.HTTPNotFound(explanation=msg)
 
     def _get_locations_op_pos(self, path_pos, max_pos, allow_max):
         if path_pos is None or max_pos is None:
diff --git a/glance/registry/api/v1/members.py b/glance/registry/api/v1/members.py
index f2ed5e6552..c76a86351d 100644
--- a/glance/registry/api/v1/members.py
+++ b/glance/registry/api/v1/members.py
@@ -46,7 +46,7 @@ class Controller(object):
         except exception.NotFound:
             msg = _("Image %(id)s not found")
             LOG.info(msg % {'id': image_id})
-            raise webob.exc.HTTPNotFound()
+            raise webob.exc.HTTPNotFound(msg)
         except exception.Forbidden:
             # If it's private and doesn't belong to them, don't let on
             # that it exists
@@ -80,7 +80,7 @@ class Controller(object):
         except exception.NotFound:
             msg = _("Image %(id)s not found")
             LOG.info(msg % {'id': image_id})
-            raise webob.exc.HTTPNotFound()
+            raise webob.exc.HTTPNotFound(msg)
         except exception.Forbidden:
             # If it's private and doesn't belong to them, don't let on
             # that it exists
@@ -193,7 +193,7 @@ class Controller(object):
         except exception.NotFound:
             msg = _("Image %(id)s not found")
             LOG.info(msg % {'id': image_id})
-            raise webob.exc.HTTPNotFound()
+            raise webob.exc.HTTPNotFound(msg)
         except exception.Forbidden:
             # If it's private and doesn't belong to them, don't let on
             # that it exists
@@ -253,7 +253,7 @@ class Controller(object):
         except exception.NotFound:
             msg = _("Image %(id)s not found")
             LOG.info(msg % {'id': image_id})
-            raise webob.exc.HTTPNotFound()
+            raise webob.exc.HTTPNotFound(msg)
         except exception.Forbidden:
             # If it's private and doesn't belong to them, don't let on
             # that it exists