diff --git a/system/bootloader.sls b/system/bootloader.sls
index 1d4e29e..4dc5b1b 100644
--- a/system/bootloader.sls
+++ b/system/bootloader.sls
@@ -10,6 +10,10 @@ system_bootloader_pkgs:
       - mkinitfs-doc
       - efibootmgr
 
+{% set CURRENT_SUBVOLUME_TIMESTAMP = salt['cmd.shell']('CURRENT_SUBVOLUME=$(LC_ALL=C btrfs sub show / | LC_ALL=C grep Name: | tr -d \'[:space:]\'); TIMESTAMP_FORMAT=\'[[:digit:]]{4}-[[:digit:]]{2}-[[:digit:]]{2}_[[:digit:]]{2}-[[:digit:]]{2}-[[:digit:]]{2}\'; echo "$CURRENT_SUBVOLUME" | grep -Eo "$TIMESTAMP_FORMAT"') %}
+{% set CURRENT_SUBVOLUME_TIMESTAMP_HUMAN = salt['cmd.shell']('CURRENT_SUBVOLUME_TIMESTAMP=\'' + CURRENT_SUBVOLUME_TIMESTAMP + '\'; echo "${CURRENT_SUBVOLUME_TIMESTAMP:0:10} ${CURRENT_SUBVOLUME_TIMESTAMP:11:2}:${CURRENT_SUBVOLUME_TIMESTAMP:14:2}"') %}
+{% set KERNEL_VERSION = salt['cmd.shell']('uname -r') %}
+
 system_bootloader_install:
   cmd.run:
     - name: "grub-install --target=x86_64-efi --efi-directory=/efi --bootloader-id=alpine-{{ CURRENT_SUBVOLUME_TIMESTAMP }}"
@@ -50,10 +54,6 @@ system_bootloader_mkinitfs_conf:
       - system_bootloader_pkgs
       - system_bootloader_install
 
-{% set CURRENT_SUBVOLUME_TIMESTAMP = salt['cmd.shell']('CURRENT_SUBVOLUME=$(LC_ALL=C btrfs sub show / | LC_ALL=C grep Name: | tr -d \'[:space:]\'); TIMESTAMP_FORMAT=\'[[:digit:]]{4}-[[:digit:]]{2}-[[:digit:]]{2}_[[:digit:]]{2}-[[:digit:]]{2}-[[:digit:]]{2}\'; echo "$CURRENT_SUBVOLUME" | grep -Eo "$TIMESTAMP_FORMAT"') %}
-{% set CURRENT_SUBVOLUME_TIMESTAMP_HUMAN = salt['cmd.shell']('CURRENT_SUBVOLUME_TIMESTAMP=\'' + CURRENT_SUBVOLUME_TIMESTAMP + '\'; echo "${CURRENT_SUBVOLUME_TIMESTAMP:0:10} ${CURRENT_SUBVOLUME_TIMESTAMP:11:2}:${CURRENT_SUBVOLUME_TIMESTAMP:14:2}"') %}
-{% set KERNEL_VERSION = salt['cmd.shell']('uname -r') %}
-
 system_bootloader_os-release:
   file.keyvalue:
     - name: /etc/os-release