diff --git a/system/bootloader.sls b/system/bootloader.sls
index 5160225..60fe47a 100644
--- a/system/bootloader.sls
+++ b/system/bootloader.sls
@@ -73,8 +73,6 @@ system_bootloader_remove_default_menuentry:
       - system_bootloader_install
       - system_bootloader_config
 
-{% set CUSTOM_MENUENTRY_HEADER = salt['cmd.shell']('head -n5 /etc/grub.d/40_custom') %}
-
 system_bootloader_menuentry:
   file.blockreplace:
     - name: /etc/grub.d/40_custom
@@ -85,10 +83,8 @@ system_bootloader_menuentry:
     - context:
         CURRENT_SUBVOLUME_TIMESTAMP_HUMAN: {{ CURRENT_SUBVOLUME_TIMESTAMP_HUMAN }}
         CURRENT_SUBVOLUME_TIMESTAMP: {{ CURRENT_SUBVOLUME_TIMESTAMP }}
+    - prepend_if_not_found: true
     - require:
       - system_base_pkgs
       - system_bootloader_pkgs
       - system_bootloader_remove_default_menuentry
-  file.append:
-    - name: /etc/grub.d/40_custom
-    - content: {{ CUSTOM_MENUENTRY_HEADER }}