diff --git a/CHANGES b/CHANGES
index f1829f17ab..2a12db2b3d 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+5439.	[bug]		The dsset returned by dns_keynode_dsset() was not
+			thread safe. [GL #1926]
+
 5438.	[bug]		Fix a race in TCP accepting code. [GL #1930]
 
 5437.	[bug]		Fix a data race in resolver log_formerr. [GL #1808]