diff --git a/tasks/grub.yml b/tasks/grub.yml
index 3ee8684..b142635 100644
--- a/tasks/grub.yml
+++ b/tasks/grub.yml
@@ -6,7 +6,7 @@
     option: timeout
     value: "{{ common_grub_timeout }}"
     state: present
-  when: "ansible_os_family == RedHat and ansible_distribution_major_version == 6"
+  when: "ansible_os_family == 'RedHat' and ansible_distribution_major_version == '6'"
   tags:
     - grub
 
@@ -16,7 +16,7 @@
     section: null
     option: GRUB_TIMEOUT
     value: "{{ common_grub_timeout }}"
-  when: "ansible_os_family == RedHat and ansible_distribution_major_version == 7"
+  when: "ansible_os_family == 'RedHat' and ansible_distribution_major_version == '7'"
   notify: Update GRUB
   tags:
     - grub
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