diff --git a/library/x509_crl.c b/library/x509_crl.c
index 81af93b..0b98ba4 100644
--- a/library/x509_crl.c
+++ b/library/x509_crl.c
@@ -645,8 +645,7 @@
     ret = mbedtls_snprintf(p, n, "\n%ssigned using  : ", prefix);
     MBEDTLS_X509_SAFE_SNPRINTF;
 
-    ret = mbedtls_x509_sig_alg_gets(p, n, &crl->sig_oid, crl->sig_pk, crl->sig_md,
-                                    crl->sig_opts);
+    ret = mbedtls_x509_sig_alg_gets(p, n, &crl->sig_oid, crl->sig_pk, crl->sig_md);
     MBEDTLS_X509_SAFE_SNPRINTF;
 
     ret = mbedtls_snprintf(p, n, "\n");