diff --git a/custom_components/holidays/config_flow.py b/custom_components/holidays/config_flow.py
index c7a1b67..044c36b 100644
--- a/custom_components/holidays/config_flow.py
+++ b/custom_components/holidays/config_flow.py
@@ -28,15 +28,17 @@
 @callback
 async def choose_second_step(options: Dict[str, Any]) -> str:
     """Return next step_id for options flow."""
-    subdivs = supported_countries[options.get(const.CONF_COUNTRY)]
-    languages = localised_countries.get(options.get(const.CONF_COUNTRY), "")
-    if subdivs or languages != "":
+    country = options.get(const.CONF_COUNTRY)
+    subdivs = supported_countries[country]
+    languages = localised_countries.get(country, "")
+    if subdivs or languages:
         # If country was changed, remove subdivs for the wrong country
-        if const.CONF_SUBDIV in options and options[const.CONF_SUBDIV] not in subdivs:
+        if const.CONF_SUBDIV in options and (
+            not subdivs or options[const.CONF_SUBDIV] not in subdivs
+        ):
             del options[const.CONF_SUBDIV]
-        if (
-            const.CONF_LANGUAGES in options
-            and options[const.CONF_LANGUAGES] not in languages
+        if const.CONF_LANGUAGES in options and (
+            not languages or options[const.CONF_LANGUAGES] not in languages
         ):
             del options[const.CONF_LANGUAGES]
         return "subdiv"
@@ -145,20 +147,21 @@ async def subdiv_config_schema(
     handler: SchemaConfigFlowHandler | SchemaOptionsFlowHandler,
 ) -> vol.Schema:
     """Second step."""
-    subdivs = [
-        selector.SelectOptionDict(value=s, label=s)
-        for s in supported_countries[handler.options.get(const.CONF_COUNTRY)]
-    ]
-    languages = [
-        selector.SelectOptionDict(value=s, label=s)
-        for s in localised_countries[handler.options.get(const.CONF_COUNTRY)]
-    ]
+    country = handler.options.get(const.CONF_COUNTRY)
     options = {}
-    if subdivs:
+    if country in supported_countries:
+        subdivs = [
+            selector.SelectOptionDict(value=s, label=s)
+            for s in supported_countries[handler.options.get(const.CONF_COUNTRY)]
+        ]
         options[optional(const.CONF_SUBDIV, handler.options)] = selector.SelectSelector(
             selector.SelectSelectorConfig(options=subdivs)
         )
-    if languages:
+    if country in localised_countries:
+        languages = [
+            selector.SelectOptionDict(value=s, label=s)
+            for s in localised_countries[handler.options.get(const.CONF_COUNTRY)]
+        ]
         options[
             optional(const.CONF_LANGUAGES, handler.options)
         ] = selector.SelectSelector(selector.SelectSelectorConfig(options=languages))