diff --git a/changelog.html b/changelog.html
index f40bfd550946cf4b116335b127a2a41ead29fbb2..685c9f28b6d30a0c5d96c9ce707b5c86dfb8b9b2 100644
--- a/changelog.html
+++ b/changelog.html
@@ -55,6 +55,9 @@ Upcoming changes</a>
 <!-- Record your changes in the trunk here. -->
 <div id="trunk" style="display:none"><!--=TRUNK-BEGIN=-->
 <ul class=image>
+  <li class="bug">
+    Killing processes started by builds on Unix was broken as of 1.553.
+    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-22641">issue 22641</a>)
   <li class="bug">
     Should not stop a build from finishing just to compute JUnit result difference to a prior build which is still running.
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-10234">issue 10234</a>)