diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index dfd9382e9756d96307bca79b13f5b47487a69bdd..0a371f897be5e0a9e8a4a39fb469a9f8f01a36c4 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,5 +1,7 @@
 Unreleased changes
 ------------------
+* Fixed a bug where the last bit of HRV or FIFO were incorrectly
+  masked when using ``km3io.online.get_channel_flags``
 
 Version 0
 ---------