diff --git a/debian/changelog b/debian/changelog
index eb263687..dd8be2f3 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+livecd-rootfs (24.04.10) UNRELEASED; urgency=medium
+
+  * Set C.UTF-8 locale in /etc/default/locale for all images; originally
+    intended to be landed in the cosmic cycle..
+
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Thu, 07 Dec 2023 21:21:17 -0800
+
 livecd-rootfs (24.04.9) noble; urgency=medium
 
   * When building locally using the auto/build script unmounting fails.
diff --git a/live-build/auto/build b/live-build/auto/build
index 787ac9ce..23b7bee8 100755
--- a/live-build/auto/build
+++ b/live-build/auto/build
@@ -165,15 +165,8 @@ Expire-Date: 0
 
 	lb bootstrap "$@"
 
-        case $PROJECT:${SUBPROJECT:-} in
-		ubuntu-server:*|ubuntu-cpc:*|ubuntu:desktop-preinstalled|ubuntu-wsl:*)
-			# Set locale to C.UTF-8 by default. We should
-			# probably do this for all images early in the
-			# 18.10 cycle but for now just do it for
-			# server and cpc products.
-			echo "LANG=C.UTF-8" > chroot/etc/default/locale
-			;;
-	esac
+	# Set locale to C.UTF-8 by default.  This may be overridden later.
+	echo "LANG=C.UTF-8" > chroot/etc/default/locale
 
 	if [ "${SUBPROJECT:-}" = minimized ] \
 	   && ! Chroot chroot dpkg -l tzdata 2>&1 |grep -q ^ii; then