diff --git a/js/gratipay/packages.js b/js/gratipay/packages.js
new file mode 100644
index 0000000000..9edffa7fca
--- /dev/null
+++ b/js/gratipay/packages.js
@@ -0,0 +1,35 @@
+Gratipay.packages = {};
+
+Gratipay.packages.post = function(e) {
+    e.preventDefault();
+    var $this = $(this);
+    var action = 'add-email-and-claim-package';
+    var $inputs = $('input, button');
+    var $selection = $('input[name=email]:checked');
+    var address = $selection.val();
+    var package_id = $selection.parent().parent().data('package-id');
+
+    $inputs.prop('disabled', true);
+
+    $.ajax({
+        url: '/~' + Gratipay.username + '/emails/modify.json',
+        type: 'POST',
+        data: {action: action, address: address, package_id: package_id},
+        dataType: 'json',
+        success: function (msg) {
+            if (msg) {
+                Gratipay.notification(msg, 'success');
+            }
+            if (action == 'add-email') {
+                $('input.add-email').val('');
+                setTimeout(function(){ window.location.reload(); }, 3000);
+                return;
+            }
+            $inputs.prop('disabled', false);
+        },
+        error: [
+            function () { $inputs.prop('disabled', false); },
+            Gratipay.error
+        ],
+    });
+};
diff --git a/tests/ttw/test_package_claiming.py b/tests/ttw/test_package_claiming.py
index 4d6a9b7c86..27d9966233 100644
--- a/tests/ttw/test_package_claiming.py
+++ b/tests/ttw/test_package_claiming.py
@@ -8,10 +8,11 @@ class Tests(BrowserHarness):
 
     def test_sending_a_confirmation_email_works(self):
         self.make_package()
-        self.make_participant('alice', claimed_time='now')
-        self.sign_in('alice')
+        self.make_participant('bob', claimed_time='now')
+        self.sign_in('bob')
         self.visit('/on/npm/foo/')
-        self.css('input[type=radio]').click()
-        self.css('button').click()
+        self.css('input[type=radio]')[0].click()
+        import pdb; pdb.set_trace()
+        self.css('button')[0].click()
         assert self.has_element('.notification.notification-success', 1)
-        assert self.has_text('A confirmation email has been sent')
+        assert self.has_text('Check your inbox for a confirmation email.')
diff --git a/www/on/npm/%package/index.html.spt b/www/on/npm/%package/index.html.spt
index 550dfced34..08d2ec0112 100644
--- a/www/on/npm/%package/index.html.spt
+++ b/www/on/npm/%package/index.html.spt
@@ -26,6 +26,15 @@ url = 'https://npmjs.com/package/' + package.name
 </a>
 {% endblock %}
 
+{% block scripts %}
+<script>
+    $(document).ready(function() {
+        $('button.send').on('click', Gratipay.packages.post);
+    });
+</script>
+{{ super() }}
+{% endblock %}
+
 {% block content %}
 <h2>{{ _( '{npm_package} has not been claimed on Gratipay.'
         , npm_package='npm/' + package_name
@@ -40,14 +49,13 @@ url = 'https://npmjs.com/package/' + package.name
 {% else %}
     <p>{{ _('Is this yours? You can claim it on Gratipay with one of these email addresses:')
          }}</p>
-    <form action="" method="POST">
-        <input type="hidden" name="csrf_token" value="{{ csrf_token }}">
-        <ul>
-            {% for email in package.emails %}
-            <li><input type="radio" name="email"> {{ email }}</li>
-            {% endfor %}
-        </ul>
-        <button type="submit">{{ _('Send confirmation link') }}</button>
-    </form>
+
+    <ul data-package-id="{{ package.id }}">
+        {% for i, email in enumerate(package.emails) %}
+        <li><input type="radio" name="email" value="{{ email }}" id="email-{{i}}">
+            <label for="email-{{ i }}">{{ email }}</a></li>
+        {% endfor %}
+    </ul>
+    <button type="submit" class="send">{{ _('Send confirmation link') }}</button>
 {% endif %}
 {% endblock %}
diff --git a/www/~/%username/emails/modify.json.spt b/www/~/%username/emails/modify.json.spt
index 2451879bb5..96dff4e0c4 100644
--- a/www/~/%username/emails/modify.json.spt
+++ b/www/~/%username/emails/modify.json.spt
@@ -6,6 +6,7 @@ import re
 from aspen import Response
 from gratipay.exceptions import ProblemChangingEmail
 from gratipay.utils import get_participant
+from gratipay.models import Package
 
 email_re = re.compile(r'^[^@]+@[^@]+\.[^@]+$')
 
@@ -36,6 +37,10 @@ elif action == 'set-primary':
     participant.update_email(address)
 elif action == 'remove':
     participant.remove_email(address)
+elif action == 'add-email-and-claim-package':
+    package_id = request.body['package_id']
+    package = Package.from_id(package_id)
+    package.send_confirmation_email(address)
 else:
     raise Response(400, 'unknown action "%s"' % action)