1 files changed, 2 insertions, 1 deletions
diff --git a/synapse/config/appservice.py b/synapse/config/appservice.py
index b13cc6bb6e..24498e7944 100644
--- a/synapse/config/appservice.py
+++ b/synapse/config/appservice.py
@@ -55,7 +55,8 @@ def load_appservices(
 ) -> List[ApplicationService]:
     """Returns a list of Application Services from the config files."""
     if not isinstance(config_files, list):
-        logger.warning("Expected %s to be a list of AS config files.", config_files)
+        # type-ignore: this function gets arbitrary json value; we do use this path.
+        logger.warning("Expected %s to be a list of AS config files.", config_files)  # type: ignore[unreachable]
         return []
 
     # Dicts of value -> filename