diff --git a/roles/misc/backup_files/tasks/main.yml b/roles/misc/backup_files/tasks/main.yml
index a894747..3f74e58 100644
--- a/roles/misc/backup_files/tasks/main.yml
+++ b/roles/misc/backup_files/tasks/main.yml
@@ -18,8 +18,8 @@
 
 - name: Configure auto backup files of {{ backup_name }}
   cron:
-    hour: 1
-    minute: 0
+    hour: "1"
+    minute: "0"
     job: "{{ backup_script }}"
     name: "backup files of {{ domain }}"
     state: present