diff --git a/core/admin/mailu/__init__.py b/core/admin/mailu/__init__.py
index bfd5ef4d..c0b0992c 100644
--- a/core/admin/mailu/__init__.py
+++ b/core/admin/mailu/__init__.py
@@ -115,7 +115,6 @@ class PrefixMiddleware(object):
         self.app = app
 
     def __call__(self, environ, start_response):
-        print(environ)
         prefix = environ.get('HTTP_X_FORWARDED_PREFIX', '')
         if prefix:
             environ['SCRIPT_NAME'] = prefix