diff --git a/glance/api/v2/images.py b/glance/api/v2/images.py
index ed64f02ab6..84e48fe63a 100644
--- a/glance/api/v2/images.py
+++ b/glance/api/v2/images.py
@@ -165,7 +165,7 @@ 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)
 
 
 class RequestDeserializer(wsgi.JSONRequestDeserializer):
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