diff --git a/tests/components/squeezebox/test_media_player.py b/tests/components/squeezebox/test_media_player.py
index f3292f1b469..824cc387139 100644
--- a/tests/components/squeezebox/test_media_player.py
+++ b/tests/components/squeezebox/test_media_player.py
@@ -799,6 +799,8 @@ async def test_squeezebox_server_discovery(
         """Mock the async_discover function of pysqueezebox."""
         return callback(lms_factory(2))
 
+    lms.async_prepared_status.return_value = {}
+
     with (
         patch(
             "homeassistant.components.squeezebox.Server",