diff --git a/debian/changelog b/debian/changelog
index 16ba25d8..8549da5a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,12 @@
+livecd-rootfs (2.579) UNRELEASED; urgency=medium
+
+  * Fix ubuntu-server-live images to generate initrd with casper
+    UUID. Whilst configs are sources, the variables are not exported into
+    the environment by default. Thus when casper hook is executed, it had
+    no idea that it should generate UUID.
+
+ -- Dimitri John Ledkov <xnox@ubuntu.com>  Thu, 25 Apr 2019 15:22:22 +0100
+
 livecd-rootfs (2.578) disco; urgency=medium
 
   * Fix the sed script that Tobias had right in the first place and I
diff --git a/live-build/ubuntu-server/hooks/033-kernel-bits.binary b/live-build/ubuntu-server/hooks/033-kernel-bits.binary
index 7e35c3f2..3506126e 100644
--- a/live-build/ubuntu-server/hooks/033-kernel-bits.binary
+++ b/live-build/ubuntu-server/hooks/033-kernel-bits.binary
@@ -56,7 +56,7 @@ for variant in $variants; do
 	if [ -n "$LB_INITRAMFS_COMPRESSION" ]; then
 		echo "COMPRESS=$LB_INITRAMFS_COMPRESSION" > "$KERNEL_BITS_ROOT"/etc/initramfs-tools/conf.d/livecd-rootfs.conf
 	fi
-	echo "CASPER_GENERATE_UUID=1" > "$KERNEL_BITS_ROOT"/etc/initramfs-tools/conf.d/casper.conf
+	echo "export CASPER_GENERATE_UUID=1" > "$KERNEL_BITS_ROOT"/etc/initramfs-tools/conf.d/casper.conf
 
 	# Add a hook to record which kernel was booted and mount the
 	# modules.squashfs created below.