1 files changed, 1 insertions, 0 deletions
diff --git a/synapse/handlers/register.py b/synapse/handlers/register.py
index cf20b4efd3..6b55775de0 100644
--- a/synapse/handlers/register.py
+++ b/synapse/handlers/register.py
@@ -59,6 +59,7 @@ class RegistrationHandler(BaseHandler):
                 captcha_info["response"]
             )
             if not captcha_response["valid"]:
+                logger.info("Invalid captcha entered from %s", captcha_info["ip"])
                 raise InvalidCaptchaError(
                     error_url=captcha_response["error_url"]
                 )