diff --git a/.travis.yml b/.travis.yml
index 8827ddbb..06a155b6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -15,7 +15,7 @@ install:
     - pip install -q -r requirements-testing.txt
 
 before_script:
-    - "pycodestyle --exclude=migrations --ignore=E501 helpdesk"
+    - "pycodestyle --exclude=migrations --ignore=E501,W503,W504 helpdesk"
 
 script:
     - coverage run --source='.' quicktest.py helpdesk
diff --git a/helpdesk/management/commands/get_email.py b/helpdesk/management/commands/get_email.py
index f9fb7392..5ae13079 100755
--- a/helpdesk/management/commands/get_email.py
+++ b/helpdesk/management/commands/get_email.py
@@ -332,7 +332,7 @@ def ticket_from_message(message, queue, logger):
                 return False
             return True
 
-    matchobj = re.match(r".*\[" + queue.slug + "-(?P<id>\d+)\]", subject)
+    matchobj = re.match(r".*\[" + queue.slug + r"-(?P<id>\d+)\]", subject)
     if matchobj:
         # This is a reply or forward.
         ticket = matchobj.group('id')