diff --git a/nbase/nbase_winconfig.h b/nbase/nbase_winconfig.h
index cb44b9ecd..9b44c26f0 100644
--- a/nbase/nbase_winconfig.h
+++ b/nbase/nbase_winconfig.h
@@ -150,6 +150,7 @@ typedef signed __int64 int64_t;
 #endif
 
 #define HAVE_OPENSSL 1
+#define HAVE_DTLS_CLIENT_METHOD 1
 #define HAVE_SSL_SET_TLSEXT_HOST_NAME 1
 /* Apparently __func__ isn't yet supported */
 #define __func__ __FUNCTION__