diff --git a/doc/changelog.rst b/doc/changelog.rst
index dc8d5198c586938f999b26eb4caad590163dbc61..0d0ff87efa0a82d312add1af369b272f4610472a 100644
--- a/doc/changelog.rst
+++ b/doc/changelog.rst
@@ -30,6 +30,7 @@ unreleased
     - notebook example of DSSC azimuthal integration for time delay scans :mr:`249`
     - provide drop-intra-darks option in BOZ analysis :mr:`256`
     - improve automatic ROIs finding for BOZ analysis :mr:`256`
+    - prevent flat field correction from turning negative in BOZ analysis :mr:`259`
 
 
 - **New Features**