diff --git a/tasks/main.yml b/tasks/main.yml
index 8bb1e13..5c515d1 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -14,7 +14,7 @@
     path: "{{ bind_log_directory }}"
     owner: "{{ bind_unix_user }}"
     group: "{{ bind_unix_group }}"
-    mode: 0755
+    mode: "0755"
     state: directory
     recurse: true
 
@@ -23,7 +23,7 @@
     path: "{{ bind_config_directory }}"
     owner: "{{ bind_unix_user }}"
     group: "{{ bind_unix_group }}"
-    mode: 0755
+    mode: "0755"
     state: directory
     recurse: true
 
@@ -62,7 +62,7 @@
     dest: "{{ bind_main_config }}"
     owner: "{{ bind_unix_user }}"
     group: "{{ bind_unix_group }}"
-    mode: 0644
+    mode: "0644"
   notify: Restart named
 
 - name: Create excluded configuration files
@@ -71,7 +71,7 @@
     dest: "{{ item | replace('etc/named', bind_config_directory) }}"
     owner: "{{ bind_unix_user }}"
     group: "{{ bind_unix_group }}"
-    mode: 0644
+    mode: "0644"
   with_items:
   - etc/named.conf
   - etc/named/named.conf.acl
diff --git a/tasks/template_zone_files.yml b/tasks/template_zone_files.yml
index df1f8a7..d738dad 100644
--- a/tasks/template_zone_files.yml
+++ b/tasks/template_zone_files.yml
@@ -5,7 +5,7 @@
     path: "{{ bind_config_directory }}/{{ zone.file | dirname }}"
     owner: "{{ bind_unix_user }}"
     group: "{{ bind_unix_group }}"
-    mode: 0755
+    mode: "0755"
     state: directory
   with_items:
   - "{{ view.zones }}"
@@ -19,7 +19,7 @@
     dest: "{{ bind_config_directory }}/{{ zone.file }}"
     owner: "{{ bind_unix_user }}"
     group: "{{ bind_unix_group }}"
-    mode: 0644
+    mode: "0644"
   with_items:
   - "{{ view.zones }}"
   loop_control: