diff --git a/ChangeLog b/ChangeLog
index eabcd4b6..85524960 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,7 @@
 6/3/14 started 7.38.6
 - grey ramp minimum was wrong
+- vipsthumbnail --crop could fail for very non-square images, thanks
+  Alessandro
 
 24/2/14 started 7.38.5
 - jpeg load from buffer could write to input, thanks Lovell