diff --git a/blueprints/admin/routes_membership.py b/blueprints/admin/routes_membership.py
index 0de4240..b849b5c 100644
--- a/blueprints/admin/routes_membership.py
+++ b/blueprints/admin/routes_membership.py
@@ -751,6 +751,7 @@ def admin_membership_start_review(app_id):
 
         application.status = 'under_review'
         application.reviewed_by_id = current_user.id
+        application.reviewed_at = datetime.now()
 
         # Add to workflow history
         history = application.workflow_history or []