diff --git a/CHANGES b/CHANGES
index 2fae30d2a8..02dc6c45b6 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+5557.	[bug]		Prevent rbtdb instances being destroyed by multiple
+			threads at the same time. [GL #2355]
+
 5556.	[bug]		dnssec-signzone and dnssec-verify where now
 			printing too many newlines between log messages.
 			[GL #2359]