diff --git a/m4/ChangeLog b/m4/ChangeLog
index 48045bc43..e2ede715b 100644
--- a/m4/ChangeLog
+++ b/m4/ChangeLog
@@ -1,5 +1,7 @@
 2004-12-20  Jim Meyering  <jim@meyering.net>
 
+	* mkstemp.m4: Do the `cd' in a subshell.
+
 	* mkstemp.m4: Rather than using "conftestXXXXXX" as the mkstemp
 	template, use a temporary directory and an 8.3-friendly template
 	to avoid trouble on systems like DJGPP.