diff --git a/custom_components/alexa_media/alexa_entity.py b/custom_components/alexa_media/alexa_entity.py
index 2e24f741..0336cdbc 100644
--- a/custom_components/alexa_media/alexa_entity.py
+++ b/custom_components/alexa_media/alexa_entity.py
@@ -64,6 +64,16 @@ def is_local(appliance: dict[str, Any]) -> bool:
     There is probably a better way to prevent that, but this works.
     """
 
+    if appliance.get("manufacturerName") == "t0bst4r":
+        # Home-Assistant-Matter-Hub is a new add-on (2024-10-27) which exposes selected
+        # HA entities to Alexa as Matter devices connected locally via Amazon Echo.
+        # "connectedVia" is not None so they need to be ignored to prevent duplicating them back into HA.
+        _LOGGER.debug(
+            'alexa_entity is_local: Return False for Home-Assistant-Matter-Hub manufacturer: "%s"',
+            appliance.get("manufacturerName"),
+        )
+        return False
+
     if appliance.get("connectedVia"):
         # connectedVia is a flag that determines which Echo devices holds the connection. Its blank for
         # skill derived devices and includes an Echo name for zigbee and local devices.