diff --git a/debian/changelog b/debian/changelog
index 299d4b5b..bdb7abbd 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -14,6 +14,9 @@ debian-cd (3.1.4) UNRELEASED; urgency=low
   * Rename log.sort_deps* to sort_deps*.log for better consistency.
     Closes: #571591
 
+  [ Steve McIntyre ]
+  * Rename log.add_packages to add_packages.log
+
  -- Steve McIntyre <93sam@debian.org>  Tue, 27 Feb 2010 12:24:29 +0100
 
 debian-cd (3.1.3) unstable; urgency=low
diff --git a/tools/make_disc_trees.pl b/tools/make_disc_trees.pl
index 321f2d18..293a24ff 100755
--- a/tools/make_disc_trees.pl
+++ b/tools/make_disc_trees.pl
@@ -717,8 +717,8 @@ sub finish_disc {
 sub msg_ap {
     my $level = shift;
     if (!$log_opened) {
-        open(AP_LOG, ">> $tdir/$codename/log.add_packages")
-            || die "Can't write in $tdir/log.add_packages!\n";
+        open(AP_LOG, ">> $tdir/$codename/add_packages.log")
+            || die "Can't write in $tdir/add_packages.log!\n";
     }
     print AP_LOG @_;
 }