diff --git a/nova/image/glance.py b/nova/image/glance.py
index 93e6cf27302..a5f9e6865f0 100644
--- a/nova/image/glance.py
+++ b/nova/image/glance.py
@@ -485,7 +485,8 @@ def _reraise_translated_exception():
 
 
 def _translate_image_exception(image_id, exc_type, exc_value):
-    if exc_type in (glance_exception.NotAuthorized,
+    if exc_type in (glance_exception.Forbidden,
+                    glance_exception.NotAuthenticated,
                     glance_exception.MissingCredentialError):
         return exception.ImageNotAuthorized(image_id=image_id)
     if exc_type is glance_exception.NotFound:
@@ -496,7 +497,8 @@ def _translate_image_exception(image_id, exc_type, exc_value):
 
 
 def _translate_plain_exception(exc_type, exc_value):
-    if exc_type in (glance_exception.NotAuthorized,
+    if exc_type in (glance_exception.Forbidden,
+                    glance_exception.NotAuthenticated,
                     glance_exception.MissingCredentialError):
         return exception.NotAuthorized(exc_value)
     if exc_type is glance_exception.NotFound:
diff --git a/nova/tests/image/test_glance.py b/nova/tests/image/test_glance.py
index d41e874235a..bc5969a4516 100644
--- a/nova/tests/image/test_glance.py
+++ b/nova/tests/image/test_glance.py
@@ -556,6 +556,19 @@ def get_image(self, image_id):
         self.flags(glance_num_retries=1)
         service.get(self.context, image_id, writer)
 
+    def test_client_raises_forbidden(self):
+        class MyGlanceStubClient(glance_stubs.StubGlanceClient):
+            """A client that fails the first time, then succeeds."""
+            def get_image(self, image_id):
+                raise glance_exception.Forbidden()
+
+        client = MyGlanceStubClient()
+        service = glance.GlanceImageService(client=client)
+        image_id = 1  # doesn't matter
+        writer = NullWriter()
+        self.assertRaises(exception.ImageNotAuthorized, service.get,
+                          self.context, image_id, writer)
+
     def test_glance_client_image_id(self):
         fixture = self._make_fixture(name='test image')
         image_id = self.service.create(self.context, fixture)['id']