diff --git a/contrib/initramfs/hooks/zfs b/contrib/initramfs/hooks/zfs
index 26aaa6e18..31db67c25 100755
--- a/contrib/initramfs/hooks/zfs
+++ b/contrib/initramfs/hooks/zfs
@@ -15,7 +15,8 @@ COPY_FILE_LIST="$COPY_FILE_LIST /etc/zfs/zfs-functions /etc/zfs/vdev_id.conf"
 COPY_FILE_LIST="$COPY_FILE_LIST /lib/udev/rules.d/69-vdev.rules"
 
 # These prerequisites are provided by the base system.
-COPY_EXEC_LIST="$COPY_EXEC_LIST /bin/hostname /sbin/blkid"
+COPY_EXEC_LIST="$COPY_EXEC_LIST /usr/bin/dirname /bin/hostname /sbin/blkid"
+COPY_EXEC_LIST="$COPY_EXEC_LIST /usr/bin/env"
 
 # Explicitly specify all kernel modules because automatic dependency resolution
 # is unreliable on many systems.