diff --git a/lib/modules/Standards.pmod/X509.pmod b/lib/modules/Standards.pmod/X509.pmod
index c7712bcf449e14a872386c222320806483098fb6..94556049072c294bba53c62b27d0d6704a020368 100644
--- a/lib/modules/Standards.pmod/X509.pmod
+++ b/lib/modules/Standards.pmod/X509.pmod
@@ -1495,7 +1495,7 @@ TBSCertificate verify_certificate(string s,
 
   foreach(verifiers || ({}), Verifier v) {
     if (v->verify(cert[1], cert[0]->get_der(), cert[2]->value,
-                  options->?verifier_algorithms))
+                  options?->verifier_algorithms))
       return tbs;
   }
   return 0;