diff --git a/index.html b/index.html
index 6702f1f..26f92aa 100644
--- a/index.html
+++ b/index.html
@@ -438,7 +438,8 @@
           <div class="oauth-providers">
             <input id="user_oauth_providers" name="oauth_providers" type="hidden">
           </div>
-          <div class="captcha col-sm-12" id="captcha_v1">
+          <div class="captcha col-sm-12">
+            <div id="g-recaptcha"></div>
           </div>
           <div class="actions col-sm-12">
             <div class="row">
diff --git a/js/main.js b/js/main.js
index 7a04d8d..05aa4e8 100644
--- a/js/main.js
+++ b/js/main.js
@@ -1151,7 +1151,7 @@ define(['jquery', 'handlebars', 'fastclick', 'handlebars_helpers', 'piwik'], fun
       loginForm.find('.message').hide();
       signupForm.find('#g-recaptcha').empty();
       //grecaptcha.render(signupForm.find('#g-recaptcha')[0], {'sitekey' : window.recaptchaSiteKey });
-      Recaptcha.create(window.recaptchaSiteKey, "captcha_v1", { theme: "red", callback: Recaptcha.focus_response_field } );
+      Recaptcha.create(window.recaptchaSiteKey, "g-recaptcha", { theme: "red", callback: Recaptcha.focus_response_field } );
       e.preventDefault();
     })
 
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libgit2 0.21.2