diff --git a/jetty-server/src/main/config/etc/well-known.xml b/jetty-server/src/main/config/etc/well-known.xml
index e35118a0df5..ec0ae46cce0 100644
--- a/jetty-server/src/main/config/etc/well-known.xml
+++ b/jetty-server/src/main/config/etc/well-known.xml
@@ -12,7 +12,7 @@
             <Arg><Property name="jetty.wellknown.dir" default=".well-known"/></Arg>
           </Call>
         </Set>
-        <Set name="directoriesListed">false</Set>
+        <Set name="directoriesListed"><Property name="jetty.wellknown.directoriesListed" default="false"/></Set>
       </New>
     </Set>
   </New>
diff --git a/jetty-server/src/main/config/modules/well-known.mod b/jetty-server/src/main/config/modules/well-known.mod
index e5ee42fe7f4..637db50ccd2 100644
--- a/jetty-server/src/main/config/modules/well-known.mod
+++ b/jetty-server/src/main/config/modules/well-known.mod
@@ -20,3 +20,6 @@ etc/well-known.xml
 ## Well Known Directory (relative to $JETTY_BASE if relative path, otherwise it is an absolute path).
 # jetty.wellknown.dir=.well-known
 # end::documentation[]
+
+## Allow contents of the well-known directory to be listed.
+# jetty.wellknown.directoriesListed=false