diff --git a/homeassistant/components/go2rtc/__init__.py b/homeassistant/components/go2rtc/__init__.py
index 1a0b6fee6db..5f57d801875 100644
--- a/homeassistant/components/go2rtc/__init__.py
+++ b/homeassistant/components/go2rtc/__init__.py
@@ -53,7 +53,10 @@ _SUPPORTED_STREAMS = frozenset(
 )
 
 
-CONFIG_SCHEMA = vol.Schema({DOMAIN: {vol.Optional(CONF_URL): cv.url}})
+CONFIG_SCHEMA = vol.Schema(
+    {DOMAIN: vol.Schema({vol.Optional(CONF_URL): cv.url})},
+    extra=vol.ALLOW_EXTRA,
+)
 
 
 async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool: