diff --git a/docs/changelog/main.md b/docs/changelog/main.md
index 4053748d..27085016 100644
--- a/docs/changelog/main.md
+++ b/docs/changelog/main.md
@@ -86,3 +86,5 @@
    meant that there was a potential race condition when shutting down the
    system which could result in loss of accountability of the message(s)
    that were part of that request.
+ * Fixed possible integer overflow when computing a very long delay.
+   Thanks to @edgarsendernet! #480