diff --git a/CHANGES b/CHANGES
index f8c82abf0a..e039299ea2 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+6397.	[bug]		Clear DNS_FETCHOPT_TRYSTALE_ONTIMEOUT when looking for
+			parent NS records needed to get the DS result.
+			[GL #4661]
+
 	--- 9.16.50 released ---
 
 6364.	[protocol]	Add RESOLVER.ARPA to the built in empty zones.