diff --git a/mail2redmine.py b/mail2redmine.py
index 2ee6504..bcc51ba 100644
--- a/mail2redmine.py
+++ b/mail2redmine.py
@@ -120,7 +120,10 @@ L'équipe Entrouvert
 if __name__ == '__main__':
 
     mail = sys.stdin.read()
-    filename = '/tmp/%s.mail' % uuid.uuid4()
+    mail_dumps_dir = '/var/tmp'
+    if not os.path.exists(mail_dumps_dir):
+        os.mkdir(mail_dumps_dir)
+    filename = os.path.join(mail_dumps_dir, '%s.mail' % uuid.uuid4())
     with open(filename, 'w') as mail_dump:
         mail_dump.write(mail)
     create_ticket(mail)