diff --git a/app/__init__.py b/app/__init__.py
index cc09b792c..ae4c0be1f 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -170,6 +170,7 @@ def create_app(config_class=DevConfig):
                     mailhost=(app.config["MAIL_SERVER"], app.config["MAIL_PORT"]),
                     fromaddr="no-reply@" + app.config["MAIL_SERVER"],
                     toaddrs=["exception@scodoc.org"],
+                    subject="ScoDoc Exception",  # unused see ScoSMTPHandler
                     credentials=auth,
                     secure=secure,
                 )