diff --git a/create-luks-tpm.sh b/create-luks-tpm.sh
index 34d9e92..a6b015e 100755
--- a/create-luks-tpm.sh
+++ b/create-luks-tpm.sh
@@ -1,4 +1,4 @@
-#!bin/bash
+#!/bin/bash
 set -e
 
 CRYPTFS=/dev/nvme0n1p3
diff --git a/install.sh b/install.sh
index 006fc35..76f8496 100755
--- a/install.sh
+++ b/install.sh
@@ -7,6 +7,8 @@ cp -vf ./update-kernel.sh /usr/sbin || exit 1
 cp -vf ./create-luks-tpm.sh /usr/sbin || exit 1
 
 cp -vf ./tpm2-hook.sh /etc/initramfs-tools/hooks/ || exit 2
-sed '/luks/$/,discard,initramfs,keyscript=/usr/sbin/passphrase-from-tpm.sh/' /etc/crypttab
+awk -i inplace '/luks/{print $0 ",discard,initramfs,keyscript=/usr/sbin/passphrase-from-tpm.sh"}' /etc/crypttab
 
 /usr/sbin/create-luks-tpm.sh
+/usr/sbin/update-kernel.sh
+echo "Installed successfully! Please reboot and execute update-luks-tpm.sh afterwards"
diff --git a/tpm2-hook.sh b/tpm2-hook.sh
index 6b9a3b9..264f8b2 100755
--- a/tpm2-hook.sh
+++ b/tpm2-hook.sh
@@ -3,3 +3,4 @@ if [ "$1" = "prereqs" ]; then exit 0; fi
 . /usr/share/initramfs-tools/hook-functions
 copy_exec /usr//bin/tpm2_unseal
 copy_exec /usr/lib/x86_64-linux-gnu/libtss2-tcti-device.so.0
+copy_exec /usr/sbin/passphrase-from-tpm.sh