diff --git a/homeassistant/components/frontier_silicon/media_player.py b/homeassistant/components/frontier_silicon/media_player.py
index 641a267e987..223abe26e55 100644
--- a/homeassistant/components/frontier_silicon/media_player.py
+++ b/homeassistant/components/frontier_silicon/media_player.py
@@ -126,7 +126,8 @@ class AFSAPIDevice(MediaPlayerEntity):
 
         if not self._attr_source_list:
             self.__modes_by_label = {
-                mode.label: mode.key for mode in await afsapi.get_modes()
+                (mode.label if mode.label else mode.id): mode.key
+                for mode in await afsapi.get_modes()
             }
             self._attr_source_list = list(self.__modes_by_label)