diff --git a/nova/exception.py b/nova/exception.py
index 56c20d111..4e5f750c1 100644
--- a/nova/exception.py
+++ b/nova/exception.py
@@ -474,6 +474,11 @@ class InstanceMetadataNotFound(NotFound):
     message = _("Instance %(instance_id)s has no metadata with "
                 "key %(metadata_key)s.")
 
+class InstanceTypeMetadataNotFound(NotFound):
+    message = _("Instance Type %(instance_type_id)s has no metadata with "
+                "key %(metadata_key)s.")
+
+
 
 class LDAPObjectNotFound(NotFound):
     message = _("LDAP object could not be found")