diff --git a/mogan/objects/flavor.py b/mogan/objects/flavor.py
index f372d3c8..8ed64d3c 100644
--- a/mogan/objects/flavor.py
+++ b/mogan/objects/flavor.py
@@ -131,7 +131,8 @@ class Flavor(base.MoganObject, object_base.VersionedObjectDictCompat):
         if added_projects or deleted_projects:
             self.save_projects(context, added_projects, deleted_projects)
 
-        self.dbapi.flavor_update(context, self.uuid, updates)
+        if updates:
+            self.dbapi.flavor_update(context, self.uuid, updates)
 
     def save_projects(self, context, to_add=None, to_delete=None):
         """Add or delete projects.