diff --git a/ChangeLog.adoc b/ChangeLog.adoc
index 3abab8f85..3d5b923d5 100644
--- a/ChangeLog.adoc
+++ b/ChangeLog.adoc
@@ -35,6 +35,10 @@ Bug fixes::
   * buflist: fix crash in auto-scroll of bar when the buflist item is not the first item in the bar
   * relay: fix parsing of CAP command without arguments in irc protocol, send ACK only if all capabilities received are OK and NAK otherwise (issue #1040)
 
+Tests:
+
+  * display an error if the required locale en_US.UTF-8 is not installed
+
 [[v1.9]]
 == Version 1.9 (2017-06-25)