diff --git a/roles/mailman/templates/settings.py.j2 b/roles/mailman/templates/settings.py.j2
index d1592739a8..3c26eb5216 100644
--- a/roles/mailman/templates/settings.py.j2
+++ b/roles/mailman/templates/settings.py.j2
@@ -268,6 +268,7 @@ BROWSERID_VERIFY_CLASS = "django_browserid.views.Verify"
 COMPRESS_PRECOMPILERS = (
    ('text/less', 'lessc {infile} {outfile}'),
 )
+COMPRESS_OFFLINE = True
 # needed for debug mode
 #INTERNAL_IPS = ('127.0.0.1',)