diff --git a/Debian-Stretch-Root-on-ZFS.md b/Debian-Stretch-Root-on-ZFS.md
index 387fe17..482f285 100644
--- a/Debian-Stretch-Root-on-ZFS.md
+++ b/Debian-Stretch-Root-on-ZFS.md
@@ -209,7 +209,7 @@ Even if you prefer a non-English system language, always ensure that `en_US.UTF-
 
 4.6  Install ZFS in the chroot environment for the new system:
 
-    # apt install --yes gdisk dpkg-dev linux-headers-$(uname -r) linux-image-amd64
+    # apt install --yes dpkg-dev linux-headers-$(uname -r) linux-image-amd64
     # apt install --yes zfs-dkms zfs-initramfs
 
 4.7  Install GRUB