diff --git a/homeassistant/helpers/selector.py b/homeassistant/helpers/selector.py
index 6f8df828c37..acb91ddc148 100644
--- a/homeassistant/helpers/selector.py
+++ b/homeassistant/helpers/selector.py
@@ -1010,9 +1010,11 @@ class LocationSelector(Selector[LocationSelectorConfig]):
         return location
 
 
-class MediaSelectorConfig(BaseSelectorConfig):
+class MediaSelectorConfig(BaseSelectorConfig, total=False):
     """Class to represent a media selector config."""
 
+    accept: list[str]
+
 
 @SELECTORS.register("media")
 class MediaSelector(Selector[MediaSelectorConfig]):