diff --git a/ChangeLog b/ChangeLog
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@@ -1,5 +1,8 @@
 2002-10-09  Jim Meyering  <meyering@lucent.com>
 
+	* tests/cp/backup-is-src: Ensure that certain environment variables
+	are not set (e.g., SIMPLA_BACKUP_SUFFIX).  Reported by Duncan Roe.
+
 	* tests/tail-2/big-4gb: Mark this as an expensive test; it would
 	consume 4GB of disk space on systems without support for sparse files.
 	Fix a logic error that'd make it `cat err' even though dd didn't fail.