diff --git a/assets/js/loginform_helpers.js b/assets/js/loginform_helpers.js
index 2f6fdab..956472d 100644
--- a/assets/js/loginform_helpers.js
+++ b/assets/js/loginform_helpers.js
@@ -75,5 +75,16 @@ jQuery(document).ready(function($) {
     window.location.href = appended_href;
   }); 
 
+  // if pmsso exists, just add the pkce code challenge etc and redirect them
+  if ($(".passport-login-wrap li.pmsso a")) {
+	console.log('setting verifier');
+	var code_verifier = generateRandomString();
+	document.cookie='pkce_code_verifier=' + code_verifier + ';domain=' + window.location.hostname + ';path=/';
+	var code_challenge = await pkceChallengeFromVerifier(code_verifier);
+	var encoded_code_challenge = encodeURIComponent(code_challenge);
+	appended_href =  $(this).attr('href') + "&code_challenge=" + encoded_code_challenge + "&code_challenge_method=S256";
+	window.location.href = appended_href;
+  }
+
 });