diff --git a/ChangeLog b/ChangeLog
index 4fb767c8..ec8c7a6c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2003-07-03  Andrey Kiselev  <dron@remotesensing.org>
+
+	* tools/thumbnail.c: Memory leak fixed as reported by Robert S. Kissel.
+
 2003-06-30  Andrey Kiselev  <dron@remotesensing.org>
 
 	* libtiff/tif_pixarlog.c: Unused variables removed.