diff --git a/roles/preseed/tasks/main.yml b/roles/preseed/tasks/main.yml
index f35f0b9861650689ddaaa4d44d850429c58f8b36..a46d16b73e4949bb767031ecbe6e4821162146a3 100644
--- a/roles/preseed/tasks/main.yml
+++ b/roles/preseed/tasks/main.yml
@@ -3,14 +3,14 @@
 - name: Create directory for storing preseed configurations
   file:
     path: "{{ preseed_directory }}"
-    mode: 0750
+    mode: "0750"
     state: directory
 
 - name: Create preseed configuration file
   template:
     src: "preseed.cfg.j2"
     dest: "{{ preseed_directory }}/{{ item }}.cfg"
-    mode: 0640
+    mode: "0640"
   when: item != "localhost"
   with_items: "{{ groups['all'] }}"