diff --git a/debian/changelog b/debian/changelog
index 48542902..3a9fe398 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,10 +1,17 @@
-livecd-rootfs (2.777) kinetic; urgency=medium
+livecd-rootfs (2.778) kinetic; urgency=medium
 
   [ Rudra Saraswat ]
   * Add live packages to Ubuntu Unity config.
 
  -- Łukasz 'sil2100' Zemczak <lukasz.zemczak@ubuntu.com>  Wed, 14 Sep 2022 16:11:10 +0200
 
+livecd-rootfs (2.777) kinetic; urgency=medium
+
+  * Rename FK_FORCE_CONTAINER into FK_FORCE as its role was extended to also
+    support chroot (LP: #1989194).
+
+ -- Alexandre Ghiti <alexandre.ghiti@canonical.com>  Thu, 08 Sep 2022 16:25:36 +0200
+
 livecd-rootfs (2.776) kinetic; urgency=medium
 
   * Do not modify /etc/ssh/sshd_config for ubuntu-cpc project
diff --git a/live-build/ubuntu-cpc/hooks.d/base/disk-image-uefi.binary b/live-build/ubuntu-cpc/hooks.d/base/disk-image-uefi.binary
index f516e7a6..aaf4e401 100755
--- a/live-build/ubuntu-cpc/hooks.d/base/disk-image-uefi.binary
+++ b/live-build/ubuntu-cpc/hooks.d/base/disk-image-uefi.binary
@@ -231,7 +231,7 @@ install_grub() {
                         # This explains why we install flash-kernel here.
                         chroot mountpoint mkdir -p /etc/flash-kernel/
                         chroot mountpoint bash -c "echo 'Allwinner D1 Nezha' > /etc/flash-kernel/machine"
-                        chroot mountpoint bash -c 'FK_FORCE_CONTAINER=yes apt-get install -qqy grub-efi-riscv64 flash-kernel'
+                        chroot mountpoint bash -c 'FK_FORCE=yes apt-get install -qqy grub-efi-riscv64 flash-kernel'
                         efi_target=riscv64-efi
 
                         chroot mountpoint apt-get install -qqy nezha-boot0
@@ -265,7 +265,7 @@ install_grub() {
                         # This explains why we install flash-kernel here.
                         chroot mountpoint mkdir -p /etc/flash-kernel/
                         chroot mountpoint bash -c "echo 'StarFive VisionFive V1' > /etc/flash-kernel/machine"
-                        chroot mountpoint bash -c 'FK_FORCE_CONTAINER=yes apt-get install -qqy grub-efi-riscv64 flash-kernel'
+                        chroot mountpoint bash -c 'FK_FORCE=yes apt-get install -qqy grub-efi-riscv64 flash-kernel'
                         efi_target=riscv64-efi
 
                         # factory u-boot requires a p3 partition with /boot/uEnv.txt file