diff --git a/private/self-signed-cert.rkt b/private/self-signed-cert.rkt
index 11cf06e..d645afb 100644
--- a/private/self-signed-cert.rkt
+++ b/private/self-signed-cert.rkt
@@ -212,6 +212,7 @@
 (version-define 1
    (BIO_get_mem_data (λ (bio-ptr)
                        (let ((r (BIO_ctrl bio-ptr BIO_CTRL_INFO 0)))
+                         (displayln r)
                          (cadr r))))
    (ASN1_OCTET_STRING_new (λ ()
                             (ASN1_STRING_type_new V_ASN1_OCTET_STRING)))