diff --git a/system/bootloader.sls b/system/bootloader.sls
index b394ac0..bce6510 100644
--- a/system/bootloader.sls
+++ b/system/bootloader.sls
@@ -55,7 +55,7 @@ system_bootloader_os-release:
     - key_ignore_case: False
     - append_if_not_found: True
 
-{% if salt['file.exists']('/etc/grub.d/10_linux') %}}
+{% if salt['cmd.shell']('[ -f /etc/grub.d/10_linux ]') %}}
 system_bootloader_remove_default_menuentry:
   file.absent:
     - name: /etc/grub.d/10_linux
@@ -65,7 +65,7 @@ system_bootloader_remove_default_menuentry:
 {% endif %}
 
 system_bootloader_menuentry:
-  {% if not salt['file.exists']('/etc/grub.d/10_noveria') %}
+  {% if salt['cmd.shell']('[ ! -f /etc/grub.d/10_noveria ]') %}
   file.managed:
     - name: /etc/grub.d/10_noveria
     - source: salt://{{ tpldir }}/files/bootloader_menuentry