diff --git a/Cryptlib/Include/openssl/opensslconf.h b/Cryptlib/Include/openssl/opensslconf.h
index 1917d7a..c73d03a 100644
--- a/Cryptlib/Include/openssl/opensslconf.h
+++ b/Cryptlib/Include/openssl/opensslconf.h
@@ -47,6 +47,9 @@ extern "C" {
 #ifndef OPENSSL_NO_CT
 # define OPENSSL_NO_CT
 #endif
+#ifndef OPENSSL_NO_DES
+# define OPENSSL_NO_DES
+#endif
 #ifndef OPENSSL_NO_DSA
 # define OPENSSL_NO_DSA
 #endif
@@ -59,6 +62,9 @@ extern "C" {
 #ifndef OPENSSL_NO_MD2
 # define OPENSSL_NO_MD2
 #endif
+#ifndef OPENSSL_NO_MD4
+# define OPENSSL_NO_MD4
+#endif
 #ifndef OPENSSL_NO_MDC2
 # define OPENSSL_NO_MDC2
 #endif