diff --git a/roles/mosquitto/tasks/main.yml b/roles/mosquitto/tasks/main.yml
index 44a1681..5e29a25 100644
--- a/roles/mosquitto/tasks/main.yml
+++ b/roles/mosquitto/tasks/main.yml
@@ -15,7 +15,7 @@
   ansible.builtin.file:
     path: /etc/mosquitto/conf.d
     state: directory
-    mode: 0750
+    mode: "0750"
     owner: root
     group: _mosquitto
 
@@ -30,7 +30,7 @@
   ansible.builtin.template:
     dest: /etc/mosquitto/conf.d/local.conf
     src: mosquitto.conf.j2
-    mode: 0640
+    mode: "0640"
     owner: root
     group: _mosquitto
   notify: Restart mosquitto
@@ -39,7 +39,7 @@
   ansible.builtin.copy:
     dest: /etc/mosquitto/acl.conf
     src: "{{ ansible_private }}/files/mosquitto/acl.conf"
-    mode: 0640
+    mode: "0640"
     owner: root
     group: _mosquitto
   notify: Restart mosquitto
@@ -48,7 +48,7 @@
   ansible.builtin.copy:
     dest: /etc/mosquitto/passwd
     src: "{{ ansible_private }}/files/mosquitto/passwd"
-    mode: 0640
+    mode: "0640"
     owner: root
     group: _mosquitto
   notify: Restart mosquitto