diff --git a/debian/changelog b/debian/changelog
index 4a95350d..1eca5b5c 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -2,6 +2,7 @@ livecd-rootfs (2.535~ppa4) cosmic; urgency=medium
 
   * Disentangle enabling universe in the final image a little from having
     PREINSTALLED=true set and enable it for a live-server build.
+    (LP: #1783129)
 
  -- Michael Hudson-Doyle <michael.hudson@ubuntu.com>  Thu, 16 Aug 2018 21:28:00 +1200