1 files changed, 1 insertions, 1 deletions
diff --git a/Mailman/Utils.py b/Mailman/Utils.py
index 7bae2e6e..739def1d 100644
--- a/Mailman/Utils.py
+++ b/Mailman/Utils.py
@@ -759,7 +759,7 @@ def get_domain():
     if port and host.endswith(':' + port):
         host = host[:-len(port)-1]
     if mm_cfg.VIRTUAL_HOST_OVERVIEW and host:
-        return host.lower()
+        return websafe(host.lower())
     else:
         # See the note in Defaults.py concerning DEFAULT_URL
         # vs. DEFAULT_URL_HOST.