diff --git a/ssl/ssl_test.cc b/ssl/ssl_test.cc
index 7886304..4de50fd 100644
--- a/ssl/ssl_test.cc
+++ b/ssl/ssl_test.cc
@@ -431,6 +431,9 @@
     return false;
   }
   ScopedOpenSSLString rfc_name(SSL_CIPHER_get_rfc_name(cipher));
+  if (!rfc_name) {
+    return false;
+  }
   out->assign(rfc_name.get());
   return true;
 }