diff --git a/ChangeLog b/ChangeLog
index 165aedf8..2ab2ede1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,7 @@
 26/11/21 started 8.12.3
 - better arg checking for hist_find_ndim [travisbell]
 - fix thumbnail with CMYK output [AdamGaskins]
+- fix size_t / ssize_t confusion [flga]
 
 26/11/21 started 8.12.2
 - make exif resuint optional and default to inch