diff --git a/ChangeLog b/ChangeLog
index 93d017c..e6dc781 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -10,6 +10,8 @@
      calling mbedtls_x509_crt_parse_path().
    * Fix redundant declaration of mbedtls_ssl_list_ciphersuites. Raised by
      TrinityTonic. #1359.
+   * Fix an issue with MicroBlaze support in bn_mul.h which was causing the
+     build to fail. Found by zv-io. Fixes #1651.
 
 Changes
    * Support TLS testing in out-of-source builds using cmake.