diff --git a/homeassistant/components/frontier_silicon/media_player.py b/homeassistant/components/frontier_silicon/media_player.py
index 8407e0a869d..52998e03703 100644
--- a/homeassistant/components/frontier_silicon/media_player.py
+++ b/homeassistant/components/frontier_silicon/media_player.py
@@ -244,7 +244,7 @@ class AFSAPIDevice(MediaPlayerEntity):
         """Send volume up command."""
         volume = await self.fs_device.get_volume()
         volume = int(volume or 0) + 1
-        await self.fs_device.set_volume(min(volume, self._max_volume))
+        await self.fs_device.set_volume(min(volume, self._max_volume or 1))
 
     async def async_volume_down(self) -> None:
         """Send volume down command."""