1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/config/cas.py b/synapse/config/cas.py
index 609c0815c8..a5f0449955 100644
--- a/synapse/config/cas.py
+++ b/synapse/config/cas.py
@@ -22,7 +22,7 @@ class CasConfig(Config):
     cas_server_url: URL of CAS server
     """
 
-    def read_config(self, config):
+    def read_config(self, config, **kwargs):
         cas_config = config.get("cas_config", None)
         if cas_config:
             self.cas_enabled = cas_config.get("enabled", True)