diff --git a/functions/shared/factories.js b/functions/shared/factories.js
index e7def1982..c51c8a307 100644
--- a/functions/shared/factories.js
+++ b/functions/shared/factories.js
@@ -556,6 +556,7 @@ module.exports = (CONSTANTS) => {
     const vacancyModel = {
       _applicationContent: null,
       _applicationVersion: null,
+      _processingVersion: null,
       aboutTheRole: null,
       aboutTheRoleWelsh: null,
       additionalWorkingPreferences: null,