diff --git a/app.rb b/app.rb
index 8b5838b..5c76943 100644
--- a/app.rb
+++ b/app.rb
@@ -181,7 +181,7 @@ def saml_settings(ial: nil, aal: nil, force_authn: false)
     base_config.authn_context = [
       base_config.ial_context,
       base_config.aal_context,
-      base_config.vtr_context,
+      *base_config.vtr_context,
       'http://idmanagement.gov/ns/requested_attributes?ReqAttr=x509_presented',
     ].compact
     base_config.force_authn = force_authn