1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/handlers/read_marker.py b/synapse/handlers/read_marker.py
index c679a8303e..bd8160e7ed 100644
--- a/synapse/handlers/read_marker.py
+++ b/synapse/handlers/read_marker.py
@@ -28,7 +28,7 @@ logger = logging.getLogger(__name__)
 class ReadMarkerHandler(BaseHandler):
     def __init__(self, hs: "HomeServer"):
         super().__init__(hs)
-        self.server_name = hs.config.server_name
+        self.server_name = hs.config.server.server_name
         self.store = hs.get_datastore()
         self.account_data_handler = hs.get_account_data_handler()
         self.read_marker_linearizer = Linearizer(name="read_marker")