diff --git a/homeassistant/components/workday/config_flow.py b/homeassistant/components/workday/config_flow.py
index 727c4340ea3..2036d685d31 100644
--- a/homeassistant/components/workday/config_flow.py
+++ b/homeassistant/components/workday/config_flow.py
@@ -67,12 +67,14 @@ def add_province_and_language_to_schema(
     _country = country_holidays(country=country)
     if country_default_language := (_country.default_language):
         selectable_languages = _country.supported_languages
-        new_selectable_languages = [lang[:2] for lang in selectable_languages]
+        new_selectable_languages = list(selectable_languages)
         language_schema = {
             vol.Optional(
                 CONF_LANGUAGE, default=country_default_language
             ): LanguageSelector(
-                LanguageSelectorConfig(languages=new_selectable_languages)
+                LanguageSelectorConfig(
+                    languages=new_selectable_languages, native_name=True
+                )
             )
         }
 
diff --git a/tests/components/workday/test_config_flow.py b/tests/components/workday/test_config_flow.py
index cc83cee93a2..1bf0f176fe9 100644
--- a/tests/components/workday/test_config_flow.py
+++ b/tests/components/workday/test_config_flow.py
@@ -557,7 +557,7 @@ pytestmark = pytest.mark.usefixtures()
     ("language", "holiday"),
     [
         ("de", "Weihnachtstag"),
-        ("en", "Christmas"),
+        ("en_US", "Christmas"),
     ],
 )
 async def test_language(