diff --git a/docbow_project/docbow/management/commands/sendmail.py b/docbow_project/docbow/management/commands/sendmail.py
index 25b1977..c530476 100644
--- a/docbow_project/docbow/management/commands/sendmail.py
+++ b/docbow_project/docbow/management/commands/sendmail.py
@@ -71,7 +71,7 @@ In case of failure the following return value is returned:
 
     def decode_filename(self, filename):
         '''See if the filename contains encoded-word work around bugs in FileMakerPro'''
-        m = re.match(r'=\?(.*)\?(.*)\?(.*)\?=', s)
+        m = re.match(r'=\?(.*)\?(.*)\?(.*)\?=', filename)
         if m:
             result = []
             for content, encoding in email.header.decode_header(filename):