diff --git a/mellon/templates/mellon/metadata.xml b/mellon/templates/mellon/metadata.xml
index f936e81..ee2e652 100644
--- a/mellon/templates/mellon/metadata.xml
+++ b/mellon/templates/mellon/metadata.xml
@@ -26,11 +26,11 @@
    <AssertionConsumerService
      index="0"
      isDefault="true"
-     Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Artifact"
+     Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST"
      Location="{{ login_url }}" />
    <AssertionConsumerService
      index="1"
-     Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST"
+     Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Artifact"
      Location="{{ login_url }}" />
  </SPSSODescriptor>