diff --git a/CHANGES_NEXT_RELEASE b/CHANGES_NEXT_RELEASE
index 04a314b3..9b0a8cd6 100644
--- a/CHANGES_NEXT_RELEASE
+++ b/CHANGES_NEXT_RELEASE
@@ -1,3 +1,4 @@
+- Fix: expandVar return a 'null' instead of null (#746)
 - Fix: smtp and smpp logs (#738)
 - Add: allow access entities using NGSIv2 API for non_signal rules (new setting nonSignalByAPI / PERSEO_CHECK_NON_SIGNAL_BY_API) (#549)
 - Remove support for ngsv1 notifications (#714)