1 files changed, 4 insertions, 1 deletions
diff --git a/Mailman/Archiver/Archiver.py b/Mailman/Archiver/Archiver.py
index 65cf1c535..89baf7dd8 100644
--- a/Mailman/Archiver/Archiver.py
+++ b/Mailman/Archiver/Archiver.py
@@ -126,10 +126,13 @@ class Archiver:
             inv = {}
             for k, v in mm_cfg.VIRTUAL_HOSTS.items():
                 inv[v] = k
-            return mm_cfg.PUBLIC_ARCHIVE_URL % {
+            url = mm_cfg.PUBLIC_ARCHIVE_URL % {
                 'listname': self.internal_name(),
                 'hostname': inv.get(self.host_name, mm_cfg.DEFAULT_URL_HOST),
                 }
+            if not url.endswith('/'):
+                url += '/'
+            return url
 
     def __archive_file(self, afn):
 	"""Open (creating, if necessary) the named archive file."""