diff --git a/roles/myconext/templates/application.yml.j2 b/roles/myconext/templates/application.yml.j2
index c2fb023ac..8f0dbde36 100644
--- a/roles/myconext/templates/application.yml.j2
+++ b/roles/myconext/templates/application.yml.j2
@@ -85,7 +85,7 @@ feature:
   warning_educational_email_domain: {{ myconext.feature_warning_educational_email_domain }}
   connections: {{ myconext.feature_show_connections }}
   # Do we allow the account linking to take place with the accounting IdP, e.g. add extra button in IdP link screen
-  use_external_validation: {{ myconext.feature_use_external_validation }}
+  use_external_validation: false
   # Do we deny emails that are known Disposable Email Providers
   deny_disposable_email_providers: {{ myconext.feature_deny_disposable_email_providers }}
   use_deny_allow_list: