diff --git a/install-zfs.sh b/install-zfs.sh
index 27969cf..14f9237 100755
--- a/install-zfs.sh
+++ b/install-zfs.sh
@@ -518,7 +518,7 @@ function install_host_packages_Debian {
     echo "deb http://deb.debian.org/debian buster-backports main contrib" >> /etc/apt/sources.list
     apt update
 
-    apt install --yes -t buster-backports zfs-dkms
+    apt install --yes -t buster-backports zfs-dkms efibootmgr
 
     modprobe zfs
   fi