diff --git a/Changelog.txt b/Changelog.txt
index 3309cfe..b333189 100644
--- a/Changelog.txt
+++ b/Changelog.txt
@@ -6,6 +6,9 @@ Lasagna is a Python-based image viewer for 3-D anatomy datasets. It was inspired
 VV (https://www.creatis.insa-lyon.fr/rio/vv). Lasagna was originally written in 2015/2016 at the Mrsic-Flogel
 laboratory, Basel, by Rob Campbell.
 
+2020/04/08
+- Rob Campbell
+Bug fix: Axis flipping is now done using PyQtGraph's invert axis methods. Previously it just flipped the image stack, which of course caused all sorts of problems. 
 
 2020/03/04
 - Rob Campbell