diff --git a/ChangeLog b/ChangeLog
index 5625ac275..1f7927176 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,9 @@
 
 	* Version 5.3.1.
 
+	* src/ls.c (long_time_expected_width): Use x2nrealloc, not alloca,
+	so format-string-abuse cannot provoke stack overflow.
+
 	Don't segfault for a long header date string, e.g.,
 	echo a|pr -D +%9999999A
 	* src/pr.c (init_header): Use x2nrealloc, rather than alloca.