1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/app/synchrotron.py b/synapse/app/synchrotron.py
index df81b7bcbe..9a7fc6ee9d 100644
--- a/synapse/app/synchrotron.py
+++ b/synapse/app/synchrotron.py
@@ -410,7 +410,7 @@ def start(config_options):
             "Synapse synchrotron", config_options
         )
     except ConfigError as e:
-        sys.stderr.write("\n" + e.message + "\n")
+        sys.stderr.write("\n" + str(e) + "\n")
         sys.exit(1)
 
     assert config.worker_app == "synapse.app.synchrotron"