diff --git a/resources/static/dialog/js/modules/actions.js b/resources/static/dialog/js/modules/actions.js
index d778612926b9bf767ff915901ce709ea3de474b4..aec8e96a38ca1abfa54e69e683aa2bd7f2134c99 100644
--- a/resources/static/dialog/js/modules/actions.js
+++ b/resources/static/dialog/js/modules/actions.js
@@ -37,7 +37,8 @@ BrowserID.Modules.Actions = (function() {
       verifier: verifier,
       verificationMessage: message,
       password: password,
-      siteName: options.siteName
+      siteName: options.siteName,
+      email: options.email
     });
     controller.startCheck();
   }
diff --git a/resources/static/dialog/js/modules/check_registration.js b/resources/static/dialog/js/modules/check_registration.js
index 784298ac2e6e584b289e869a35028a5077381065..a6475754ee5b9f6d9a4315b804753aec2fb26407 100644
--- a/resources/static/dialog/js/modules/check_registration.js
+++ b/resources/static/dialog/js/modules/check_registration.js
@@ -15,6 +15,8 @@ BrowserID.Modules.CheckRegistration = (function() {
     start: function(options) {
       var self=this;
       options = options || {};
+
+      self.checkRequired(options, "email", "siteName");
       var templateData = {
         email: options.email,
         required: options.required,
diff --git a/resources/static/test/cases/dialog/js/modules/actions.js b/resources/static/test/cases/dialog/js/modules/actions.js
index 27c54f781f818759fa4527d1c1c0910675b5bcee..ebc3e522fe3c2849d5dd8d7a7a137e9ee96e5f3b 100644
--- a/resources/static/test/cases/dialog/js/modules/actions.js
+++ b/resources/static/test/cases/dialog/js/modules/actions.js
@@ -75,12 +75,12 @@
   });
 
   asyncTest("doConfirmUser - start the check_registration service", function() {
-    testActionStartsModule("doConfirmUser", {email: TEST_EMAIL},
+    testActionStartsModule("doConfirmUser", {email: TEST_EMAIL, siteName: "Unit Test Site"},
       "check_registration");
   });
 
   asyncTest("doConfirmEmail - start the check_registration service", function() {
-    testActionStartsModule("doConfirmEmail", {email: TEST_EMAIL},
+    testActionStartsModule("doConfirmEmail", {email: TEST_EMAIL, siteName: "Unit Test Site"},
       "check_registration");
   });
 
diff --git a/resources/static/test/cases/dialog/js/modules/check_registration.js b/resources/static/test/cases/dialog/js/modules/check_registration.js
index 03a01bf0a23fed05da0e3de64fab2eb43843e9eb..a0b536b399cd807f8fd9944ba51fda9272bc7f4b 100644
--- a/resources/static/test/cases/dialog/js/modules/check_registration.js
+++ b/resources/static/test/cases/dialog/js/modules/check_registration.js
@@ -19,7 +19,8 @@
       email: "registered@testuser.com",
       verifier: verifier,
       verificationMessage: message,
-      required: required
+      required: required,
+      siteName: "Unit Test Site"
     });
   }