diff --git a/ChangeLog b/ChangeLog
index a751638c..344903d4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,7 @@
 19/1/14 started 7.38.1
 - bump soname, thanks benjamin
 - better conversion to and from scrgb/xyz for rad (hdr) 
+- fix --interpolate flag to vipsthumbnail, thanks Lovell
 
 18/1/14 started 7.38.0
 - version bump