diff --git a/admin/src/components/ConfirmRegisterMailFormular.spec.js b/admin/src/components/ConfirmRegisterMailFormular.spec.js
index 705a185a3..78f5791dc 100644
--- a/admin/src/components/ConfirmRegisterMailFormular.spec.js
+++ b/admin/src/components/ConfirmRegisterMailFormular.spec.js
@@ -19,6 +19,7 @@ const mocks = {
 }
 
 const propsData = {
+  checked: false,
   email: 'bob@baumeister.de',
   dateLastSend: '',
 }
diff --git a/admin/src/components/ConfirmRegisterMailFormular.vue b/admin/src/components/ConfirmRegisterMailFormular.vue
index 3199b375b..18f83eb81 100644
--- a/admin/src/components/ConfirmRegisterMailFormular.vue
+++ b/admin/src/components/ConfirmRegisterMailFormular.vue
@@ -25,7 +25,7 @@ export default {
   name: 'ConfirmRegisterMail',
   props: {
     checked: {
-      type: String,
+      type: Boolean,
     },
     email: {
       type: String,