--- a/util/x509.lua	Sun Dec 08 17:00:45 2019 +0100
+++ b/util/x509.lua	Sun Dec 08 17:48:37 2019 +0100
@@ -266,7 +266,7 @@
 		if dn.oid == oid_commonname then
 			local name = nameprep(dn.value);
 			if name and idna_to_ascii(name) then
-				names:set("*", name, true);
+				names:set(name, "*", true);
 			end
 		end
 	end