diff --git a/include/openssl/base.h b/include/openssl/base.h
index 84b847a6..97626197 100644
--- a/include/openssl/base.h
+++ b/include/openssl/base.h
@@ -6,7 +6,7 @@
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer. 
+ *    notice, this list of conditions and the following disclaimer.
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
@@ -378,6 +378,7 @@ extern "C++" {
 #if defined(BORINGSSL_NO_CXX)
 
 #define BORINGSSL_MAKE_DELETER(type, deleter)
+#define BORINGSSL_MAKE_UP_REF(type, up_ref_func)
 
 #else