1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/config/captcha.py b/synapse/config/captcha.py
index e2eb473a92..a08b08570b 100644
--- a/synapse/config/captcha.py
+++ b/synapse/config/captcha.py
@@ -16,7 +16,7 @@ from ._base import Config
 
 
 class CaptchaConfig(Config):
-    def read_config(self, config):
+    def read_config(self, config, **kwargs):
         self.recaptcha_private_key = config.get("recaptcha_private_key")
         self.recaptcha_public_key = config.get("recaptcha_public_key")
         self.enable_registration_captcha = config.get(