diff --git a/haphilipsjs/__init__.py b/haphilipsjs/__init__.py
index 44b08c5..dc7d87e 100644
--- a/haphilipsjs/__init__.py
+++ b/haphilipsjs/__init__.py
@@ -66,7 +66,7 @@
 HTTP_PORT = 1925
 HTTPS_PORT = 1926
 MAXIMUM_ITEMS_IN_REQUEST = 50
-
+IGNORED_JSON_RESPONSES = {"", "Context Service not started", "}"}
 
 def hmac_signature(key: bytes, timestamp: str, data: str):
     """Calculate a timestamped signature."""
@@ -101,7 +101,7 @@ def cbc_encode(key: bytes, data: str):
 
 
 def decode_xtv_json(text: str):
-    if text == "" or text == "}":
+    if text in IGNORED_JSON_RESPONSES:
         LOG.debug("Ignoring invalid json %s", text)
         return {}
 
diff --git a/tests/test_v6.py b/tests/test_v6.py
index 7d496f3..5a6d2ad 100644
--- a/tests/test_v6.py
+++ b/tests/test_v6.py
@@ -575,6 +575,7 @@ def mock_strings(request: StringsRequest, response: Strings):
 async def test_buggy_json():
     assert haphilipsjs.decode_xtv_json("") == {}
     assert haphilipsjs.decode_xtv_json("}") == {}
+    assert haphilipsjs.decode_xtv_json("Context Service not started") == {}
     assert haphilipsjs.decode_xtv_json('{,"a":{}}') == {"a": {}}
     assert haphilipsjs.decode_xtv_json('{"a":{},}') == {"a": {}}
     assert haphilipsjs.decode_xtv_json('{"a":{},,,"b":{}}') == {"a": {}, "b": {}}