diff --git a/radicale/app/propfind.py b/radicale/app/propfind.py
index 77127274..1916a857 100644
--- a/radicale/app/propfind.py
+++ b/radicale/app/propfind.py
@@ -158,7 +158,7 @@ def xml_propfind_response(
         # backmap
         if uri.startswith(share['PathMapped']):
             uri = str(share['PathOrToken']) + uri.removeprefix(share['PathMapped'])
-        if share_bday_automap and not uri.endswith("/"):
+        if share_bday_automap and uri.endswith(".vcf"):
             uri = uri.rstrip(".vcf") + ".ics"
 
     href.text = xmlutils.make_href(base_prefix, uri)