diff -r 600eee3c4752 -r d4390c427a66 net/server_event.lua
--- a/net/server_event.lua	Sun Sep 01 01:55:55 2019 +0200
+++ b/net/server_event.lua	Sun Sep 01 01:58:38 2019 +0200
@@ -516,6 +516,7 @@
 		_sslctx = sslctx; -- parameters
 		_usingssl = false;  -- client is using ssl;
 		extra = extra;
+		servername = extra and extra.servername;
 	}
 	if not has_luasec then interface.starttls = false; end
 	interface.id = tostring(interface):match("%x+$");