diff --git a/mfa/templates/FIDO2/Add.html b/mfa/templates/FIDO2/Add.html
index 323521b..d80c9e0 100644
--- a/mfa/templates/FIDO2/Add.html
+++ b/mfa/templates/FIDO2/Add.html
@@ -42,8 +42,8 @@
     })
     }
     $(document).ready(function (){
-        ua=new UAParser()
-        if (ua.getBrowser().name == "Safari")
+        ua=new UAParser().getResult()
+        if (ua.browser.name == "Safari")
         {
                 $("#res").html("<button class='btn btn-primary' onclick='begin_reg()'>Start...</button>")
         }
diff --git a/mfa/templates/FIDO2/recheck.html b/mfa/templates/FIDO2/recheck.html
index 3871987..52568e2 100644
--- a/mfa/templates/FIDO2/recheck.html
+++ b/mfa/templates/FIDO2/recheck.html
@@ -1,6 +1,6 @@
 {%  load static %}
 <script type="application/javascript" src="{% static 'mfa/js/cbor.js' %}"></script>
-<script type="application/javascript" src="{% static 'mfa/js/us-parser.min.js' %}"></script>
+<script type="application/javascript" src="{% static 'mfa/js/ua-parser.min.js' %}"></script>
 <div class="row">
 
 <div class="col-sm-10 col-sm-offset-1 col-xs-12 col-md-10 col-md-offset-1 col-lg-8 col-lg-offset-2">
@@ -104,8 +104,8 @@
             $("#main_paragraph").addClass("alert alert-danger")
             $("#main_paragraph").html("FIDO2 must work under secure context")
         } else {
-            ua=UAParser()
-            if (ua.getBrowser().name == "Safari")
+            ua=UAParser().getResult()
+            if (ua.browser.name == "Safari")
                 $("#res").html("<button class='btn btn-success' onclick='authen()'>Authenticate...</button>")
             else
                 authen()