diff --git a/frontend/src/views/Pages/Register.spec.js b/frontend/src/views/Pages/Register.spec.js
index b275b1579..459b1278b 100644
--- a/frontend/src/views/Pages/Register.spec.js
+++ b/frontend/src/views/Pages/Register.spec.js
@@ -83,6 +83,10 @@ describe('Register', () => {
       it('has Language selected field', () => {
         expect(wrapper.find('#selectedLanguage').exists()).toBeTruthy()
       })
+      it('selected Language value de', async () => {
+        wrapper.find('#selectedLanguage').findAll('option').at(1).setSelected()
+        expect(wrapper.find('#selectedLanguage').element.value).toBe('de')
+      })
 
       it('has 1 checkbox input fields', () => {
         expect(wrapper.find('#registerCheckbox').exists()).toBeTruthy()
@@ -124,9 +128,16 @@ describe('Register', () => {
         wrapper.find('#Email-input-field').setValue('max.mustermann@gradido.net')
         wrapper.find('input[name="form.password"]').setValue('Aa123456')
         wrapper.find('input[name="form.passwordRepeat"]').setValue('Aa123456')
+        wrapper.find('#selectedLanguage').findAll('option').at(1).setSelected()
         wrapper.find('input[name="site.signup.agree"]').setChecked(true)
       })
 
+      it('reset selected value', async () => {
+        await wrapper.find('button.ml-2').trigger('click')
+        await flushPromises()
+        expect(wrapper.find('#selectedLanguage').element.value).toBe('de')
+      })
+
       it('resets the firstName field after clicking the reset button', async () => {
         await wrapper.find('button.ml-2').trigger('click')
         await flushPromises()
@@ -171,6 +182,7 @@ describe('Register', () => {
         wrapper.find('#Email-input-field').setValue('max.mustermann@gradido.net')
         wrapper.find('input[name="form.password"]').setValue('Aa123456')
         wrapper.find('input[name="form.passwordRepeat"]').setValue('Aa123456')
+        wrapper.find('#selectedLanguage').findAll('option').at(1).setSelected()
       })
 
       describe('server sends back error', () => {
@@ -217,7 +229,7 @@ describe('Register', () => {
                 firstName: 'Max',
                 lastName: 'Mustermann',
                 password: 'Aa123456',
-                language: 'null',
+                language: 'de',
               },
             }),
           )