diff -r dca2629f6d2e -r 86a7b7abf28e mercurial/hgweb/server.py
--- a/mercurial/hgweb/server.py	Fri May 29 22:31:26 2020 +0200
+++ b/mercurial/hgweb/server.py	Sat May 30 04:59:13 2020 +0200
@@ -313,7 +313,7 @@
         try:
             from .. import sslutil
 
-            sslutil.modernssl
+            sslutil.wrapserversocket
         except ImportError:
             raise error.Abort(_(b"SSL support is unavailable"))