diff --git a/common/python/rift/mano/utils/project.py b/common/python/rift/mano/utils/project.py
index 2609519..a57feaa 100644
--- a/common/python/rift/mano/utils/project.py
+++ b/common/python/rift/mano/utils/project.py
@@ -536,7 +536,7 @@
 
             elif action == rwdts.QueryAction.UPDATE:
                 if name in self.projects:
-                    scratch["projects"]["updated"].append(name, msg)
+                    scratch["projects"]["updated"].append((name, msg))
                 else:
                     self._log.debug("Project {}: Invoking on_prepare add request".
                                     format(name))