diff --git a/src/tls_openssl.c b/src/tls_openssl.c
index f6a6c7e..bf245fa 100644
--- a/src/tls_openssl.c
+++ b/src/tls_openssl.c
@@ -202,9 +202,11 @@ const char *cert_errors[] = {
     TLS_ERROR_FIELD(X509_V_ERR_CA_MD_TOO_WEAK),
     TLS_ERROR_FIELD(X509_V_ERR_NO_VALID_SCTS),
     TLS_ERROR_FIELD(X509_V_ERR_PROXY_SUBJECT_NAME_VIOLATION),
+#if OPENSSL_VERSION_NUMBER >= 0x10101000L
     TLS_ERROR_FIELD(X509_V_ERR_OCSP_VERIFY_NEEDED),
     TLS_ERROR_FIELD(X509_V_ERR_OCSP_VERIFY_FAILED),
     TLS_ERROR_FIELD(X509_V_ERR_OCSP_CERT_UNKNOWN),
+#endif /* OPENSSL_VERSION_NUMBER >= 0x10101000L */
 #endif /* !LIBRESSL_VERSION_NUMBER */
 #endif /* OPENSSL_VERSION_NUMBER >= 0x10100000L */
 };