diff --git a/app/__init__.py b/app/__init__.py
index 67a7413..67a9ac1 100644
--- a/app/__init__.py
+++ b/app/__init__.py
@@ -253,7 +253,7 @@ def register_settings(app):
     )
     app.config['MAIL_PORT'] = int(
         os.getenv(
-        'MAIL_USE_SSL',
+        'MAIL_PORT',
         app.config['MAIL_PORT']
         )
     )